OpenTechnical

OT-2026-000008908

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000008908) never changes.

Identity and time

Publication numberOT-2026-000008908 · never reused
Internal UUID01a0ae6b-31b7-7747-b52d-04a266cb5069 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008908
StatusPUBLIC

Content hashes

Canonical text3e1ffd8e68426a1eead76e8e53d22ac5280a50353d17195a91a88b571234b321
Markdownca18fb1843a2fbc2b24243cd1d3f8144b1a2a60c0878a55c6cf7d8a6746056b6
PDF
Publication page905ee7b78f0bd7bace8da6a2cc9015a478d761528202efc736f3a1bd330978ce
Manifest98958ebf2693f2d097e1941112e5bbde3ee7bcbebf3a2aaacc2954257463a961

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
SignaturemqoRvQqUTrvvk8QSSoN6fX/CwJ5jEBD0pfW8cQV+Gw8WTjOb2QobfIIF/FpBC2lIsZH//DInOs46U47nHCnkBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:30.681244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008908
observed 905ee7b78f0bd7bace8da6a2cc9015a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.661824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008908/manifest.json
observed 98958ebf2693f2d097e1941112e5bbde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.641337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008908/publication.md
observed ca18fb1843a2fbc2b24243cd1d3f8144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.619455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008908/publication.txt
observed 3e1ffd8e68426a1eead76e8e53d22ac5...
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.