OpenTechnical

OT-2026-000084516

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, sustained 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-2026-000084516) never changes.

Identity and time

Publication numberOT-2026-000084516 · never reused
Internal UUID01a0ae98-e25a-70fe-86eb-f37a9657e12c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084516
StatusPUBLIC

Content hashes

Canonical text2ff17ded2dfa1ffa06746a3900161252d632765e5d590ce46a1e91f32c925e31
Markdown4f78ac8a3fd2b2ead40afad9e67e0f54a74abc4d9dd43f3b542882d2806790d5
PDF
Publication pageb03b44554b0f39aeeca6600a773981e0ada5dba0db9023108d1e7ccb23f58736
Manifeste0fb6c4c04935f70e297ece364868f9fd43d3727a0d702f59543926ce47833e9

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
SignatureagLjqC6u0rRG18WNx5QwuKDH0hlcGNPSRFhM+jds3xRPcYJ3RqDk+0US0hXC4MKAZuxbsuST8Ux3WZakxEPJCg==
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

2026-09-17T09:55:23.720552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084516
observed b03b44554b0f39aeeca6600a773981e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.704172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084516/manifest.json
observed e0fb6c4c04935f70e297ece364868f9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.685720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084516/publication.md
observed 4f78ac8a3fd2b2ead40afad9e67e0f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:23.669565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084516/publication.txt
observed 2ff17ded2dfa1ffa06746a3900161252...
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.