OpenTechnical

OT-2026-000019486

Publication integrity record

Foam pad vacuum gripper, pump 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-2026-000019486) never changes.

Identity and time

Publication numberOT-2026-000019486 · never reused
Internal UUID01a0ae6e-f393-7604-adea-f8bb1c956794 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019486
StatusPUBLIC

Content hashes

Canonical text63fe45777780145762014adbb1eaa251d594a174bdace15b73e99b65b57231bc
Markdown3acf1f79e922880975cbd6c503f2d05adbe67177bb803f74d4b863cf4ac73b6e
PDF
Publication page295d5fe9cba46839d8cb0a736edb3b3c88031ac71e7d9f5e58e80e2724a72d9e
Manifest8553881ee06bf41c6c55c37cc560063bfd4051154f9b0f42f8e5539fcdec8e2d

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
SignatureieJ/bGIh8QsB/8lrhmG0OXA69Z7h1G9RQ036rbJuFUw9nlovlOUd0/J4CgxOtOta5e9MkycAo+/XIozMfsZBAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:58:54.639173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019486
observed 295d5fe9cba46839d8cb0a736edb3b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:54.621427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019486/manifest.json
observed 8553881ee06bf41c6c55c37cc560063b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:54.602003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019486/publication.md
observed 3acf1f79e922880975cbd6c503f2d05a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:54.583240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019486/publication.txt
observed 63fe45777780145762014adbb1eaa251...
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.