OpenTechnical

OT-2026-000054847

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000054847) never changes.

Identity and time

Publication numberOT-2026-000054847 · never reused
Internal UUID01a0ae86-1285-7db3-916b-42a7cee2629d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054847
StatusPUBLIC

Content hashes

Canonical text0b06e79ff46f2f6defa06d674c0783296f2fdda3498ec8f3f84514b3438bec92
Markdown405fac1fc2132e2645ac086829d3de51593ade536fe335f445908791359680f3
PDF
Publication page63900821c2a60b7c59a51ce856e6dcee92c0c40d2d98433ddcb6da935cea8234
Manifest5759bd0a346cb19538cf6265b6410be6ca926353b9f07aec20eb0ad9bb78a52f

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
SignaturenZYgJhHBwQFehXVKEaqZXcObb+sZ4ztKgmzlwrDSOr0LmI/rWznFH2I7+gBoMhTFGuMwFNfVgbjK5OsEf0ccBw==
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

2026-09-17T10:54:03.736240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054847
observed 63900821c2a60b7c59a51ce856e6dcee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:03.717989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054847/manifest.json
observed 5759bd0a346cb19538cf6265b6410be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:03.698750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054847/publication.md
observed 405fac1fc2132e2645ac086829d3de51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:03.679245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054847/publication.txt
observed 0b06e79ff46f2f6defa06d674c078329...
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.