OpenTechnical

OT-2026-000079388

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000079388) never changes.

Identity and time

Publication numberOT-2026-000079388 · never reused
Internal UUID01a0ae96-0b91-7f1c-935a-394ad995ba40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079388
StatusPUBLIC

Content hashes

Canonical text965dd0763a1a09f4092ec0ca71db6e8c734c80f49591f8a04cde992ccc845d99
Markdownd441222fb24fd407846dc700a9240403c286bd735d3e0f289371f0ac364586be
PDF
Publication page76f3634a57a12fbc69810879bc6aeb165bf74fcf5d545a3e421d8786b3771eca
Manifestcf87dffe71cfb31eee70b3b63e6f3e68fda01c99741d4cc558b0e8650b2beb0c

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
SignatureamzXe4+K+5/YEVSCqbCLGLIFY0u4JWF8V/Z0kMnnKFA3+SC3fXyD3ti/mF6QL5elhYECccn1BEbD3jivbPbHDg==
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

2026-09-17T10:05:00.548420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079388
observed 76f3634a57a12fbc69810879bc6aeb16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.532024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079388/manifest.json
observed cf87dffe71cfb31eee70b3b63e6f3e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.513883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079388/publication.md
observed d441222fb24fd407846dc700a9240403...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:00.494850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079388/publication.txt
observed 965dd0763a1a09f4092ec0ca71db6e8c...
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.