OpenTechnical

OT-2026-000078414

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000078414) never changes.

Identity and time

Publication numberOT-2026-000078414 · never reused
Internal UUID01a0ae95-7c28-7439-a6a6-c3ca760eb799 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078414
StatusPUBLIC

Content hashes

Canonical text6dc5c80ab732a19fed09ac4adede9c67634a7052483267a68ab3e5b182966517
Markdowna129beb7cd46d5b344b5d7d04e2bdd7cf944a85bbbacdbc96c19cce8b0114e95
PDF
Publication page6fdd65359527979d9aaad9bed703f507259bd27937cec087a49aa7f079fef971
Manifestf3e82ef1a50a6cf51c24392a9e1b2f457ef349db5eb01ec45e1434b7ed45c720

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
SignaturetikS8QsmOMLcMDow/M9fqgUbYTYkRS41lPGr9lc2rUKXXVULpBax5FdRzcbxU5hR2fHs4qfyz4UqWID2SHiQCw==
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

2026-09-17T10:06:05.943965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078414
observed 6fdd65359527979d9aaad9bed703f507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:05.926821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078414/manifest.json
observed f3e82ef1a50a6cf51c24392a9e1b2f45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:05.908311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078414/publication.md
observed a129beb7cd46d5b344b5d7d04e2bdd7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:05.889773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078414/publication.txt
observed 6dc5c80ab732a19fed09ac4adede9c67...
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.