OpenTechnical

OT-2026-000057386

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000057386) never changes.

Identity and time

Publication numberOT-2026-000057386 · never reused
Internal UUID01a0ae87-d5bd-7cfe-a2ce-efb9b44b6ef3 · 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-2026-000057386
StatusPUBLIC

Content hashes

Canonical textcd0df619915037cb9315d37b5ffec4b738785693eb1c06dfee7882200bb3cda6
Markdownf4e028b793cd1cad1783fcb2cdef886b9b503f99edc6424cfff82a9183822057
PDF
Publication page9a5c05f63e6fb5664354f662e3743881c174b9a88154978c0f9e6f9c6374aa02
Manifest4d7e381e4d0112c8f968906b7c311e24f6907523383cdab10b3bf9f7e30b9050

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
Signaturec6EV3264SQeQvMPXFtQiIUKb42hAA94mZDmDFJb18iVmoisq06tpOoqLJCnWGVQyhTabV5+03oZj9ArKxkZYCA==
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

2026-09-17T10:50:31.068079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057386
observed 9a5c05f63e6fb5664354f662e3743881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:31.049429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057386/manifest.json
observed 4d7e381e4d0112c8f968906b7c311e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:31.029745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057386/publication.md
observed f4e028b793cd1cad1783fcb2cdef886b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:31.013535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057386/publication.txt
observed cd0df619915037cb9315d37b5ffec4b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.192662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057386
observed 9a5c05f63e6fb5664354f662e3743881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.175384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057386/manifest.json
observed 4d7e381e4d0112c8f968906b7c311e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.159213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057386/publication.md
observed f4e028b793cd1cad1783fcb2cdef886b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.143979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057386/publication.txt
observed cd0df619915037cb9315d37b5ffec4b7...
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.