OpenTechnical

OT-2026-000100302

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000100302) never changes.

Identity and time

Publication numberOT-2026-000100302 · never reused
Internal UUID01a0aea3-3053-7291-8a7a-0b0153748641 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100302
StatusPUBLIC

Content hashes

Canonical textbaee271e9743e153aec60c0cb42c4813e47eaa407a6c4245c3ebd79ca099eb4d
Markdown4efc4f1e2c88afd621c8981d3228f79cd59c5c373350d8cfea44f9b5dae6d3b1
PDF
Publication pagec13ebb0d735c8bfde87c0bd1b209aa590120fa5733b827c1f5e57caefcf827db
Manifest7b03c11f2a28d7d12894460b37c447e1dab0a111c865114b4c65d04e679733c2

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
SignatureCS11NqiXudc5Z0KXleFZHbKNt0w1RpwJIkJXcQL8gLQQ6FZTi81hfyBdFzsDuZaPyqOR3u2ROxrZvh7GFCc+CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:13.875296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100302
observed c13ebb0d735c8bfde87c0bd1b209aa59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:13.854705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100302/manifest.json
observed 7b03c11f2a28d7d12894460b37c447e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:07.166942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100302/publication.md
observed 4efc4f1e2c88afd621c8981d3228f79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:07.127154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100302/publication.txt
observed baee271e9743e153aec60c0cb42c4813...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.879358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100302
observed c13ebb0d735c8bfde87c0bd1b209aa59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.861697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100302/manifest.json
observed 7b03c11f2a28d7d12894460b37c447e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.843111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100302/publication.md
observed 4efc4f1e2c88afd621c8981d3228f79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:36.821743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100302/publication.txt
observed baee271e9743e153aec60c0cb42c4813...
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.