OpenTechnical

OT-2026-000057371

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057371) never changes.

Identity and time

Publication numberOT-2026-000057371 · never reused
Internal UUID01a0ae87-d5bd-7566-9346-44d9c16fdedb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057371
StatusPUBLIC

Content hashes

Canonical text6bd2ff4455849e24a6e14fea644b8f4a8ed1c3a79e17109339baa6c23bebd786
Markdowna510965ce212a4132a9c9de54a2fe941f2371df3a71a03eea49fce399413dc99
PDF
Publication page61c1988b71a7a0ff75002f611e88362313237d250bc1ec186678bb4e83913e59
Manifest373bcc4330678fb1e5f94f68b0f0b70cbf499fa07de0d8ac80bdd4abe24caf0a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureV8ks2VitfCtsYQVr5e58FC5rJP23J2EoLkDAVdCsB4eo11jvAX4wN0yG9P907fALgueBLFq67lMJpjpCj+3VDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:30.062382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057371
observed 61c1988b71a7a0ff75002f611e883623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.043661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057371/manifest.json
observed 373bcc4330678fb1e5f94f68b0f0b70c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.022055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057371/publication.md
observed a510965ce212a4132a9c9de54a2fe941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:30.004833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057371/publication.txt
observed 6bd2ff4455849e24a6e14fea644b8f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:39.182044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057371
observed 61c1988b71a7a0ff75002f611e883623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:39.164720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057371/manifest.json
observed 373bcc4330678fb1e5f94f68b0f0b70c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:39.146600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057371/publication.md
observed a510965ce212a4132a9c9de54a2fe941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:39.129269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057371/publication.txt
observed 6bd2ff4455849e24a6e14fea644b8f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.