OpenTechnical

OT-2026-000077318

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, vented after 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-2026-000077318) never changes.

Identity and time

Publication numberOT-2026-000077318 · never reused
Internal UUID01a0ae94-f509-7819-9f1b-422d6a347b3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077318
StatusPUBLIC

Content hashes

Canonical text6cc7e6361b61d95df3543489c8e4865946becb00f46884eda4082d50eb328f9e
Markdown56f2e302170fc5b0cf77dd171bdb49e0b05fa63cd59a4fe42ae30eb5c1ced94b
PDF
Publication page7c850deb4befd5b36c300c06b94b8791d570cc50462632bf276c8637a5aef5bc
Manifest89f250c315d9010d787bdab6398b186b3e5e98607e6382b74d68c390c84dc001

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
SignatureB3ek3CRstk1CKqcSRT7f8uEKuadFtNElTuESnwL6WGefMUFV5zwaESwLw7BLRwrpI/ydSakbX2LYqSMHecgOCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:08:57.384500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077318
observed 7c850deb4befd5b36c300c06b94b8791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:57.365886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077318/manifest.json
observed 89f250c315d9010d787bdab6398b186b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:57.347645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077318/publication.md
observed 56f2e302170fc5b0cf77dd171bdb49e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:57.329608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077318/publication.txt
observed 6cc7e6361b61d95df3543489c8e48659...
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.