OpenTechnical

OT-2026-000077076

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000077076) never changes.

Identity and time

Publication numberOT-2026-000077076 · never reused
Internal UUID01a0ae94-f507-73d9-b708-79378e9626ce · 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-2026-000077076
StatusPUBLIC

Content hashes

Canonical text3eda62b0fa7405f8606e489ce5cfb0d012680a64245f0120c7a6220735c83d26
Markdowncff7725251a2110bcb04c12ae40e08e5e716b64473a41c7a45a49c68849885c5
PDF
Publication pagecb2e8d89692d4e94d1e04b7e5d1a8abd076d10abc5850ff7c3536a3e8373930d
Manifesta7c5744ad67e8308d3f4d78d1aaee8de17648406043d01e2bcca933229d3605a

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
SignatureAKDaO21NiGehy6VzvnIUzLsxo4Lt+UrU2+FOBCGM9yf+949NzA79/R49H2Ig/AZKly9WoZuWeoI6/SqbJRbXCg==
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

2026-09-17T10:11:27.747937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077076
observed cb2e8d89692d4e94d1e04b7e5d1a8abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:27.730106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077076/manifest.json
observed a7c5744ad67e8308d3f4d78d1aaee8de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:27.714036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077076/publication.md
observed cff7725251a2110bcb04c12ae40e08e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:27.695482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077076/publication.txt
observed 3eda62b0fa7405f8606e489ce5cfb0d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:31.881610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077076
observed cb2e8d89692d4e94d1e04b7e5d1a8abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:31.860419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077076/manifest.json
observed a7c5744ad67e8308d3f4d78d1aaee8de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:31.839844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077076/publication.md
observed cff7725251a2110bcb04c12ae40e08e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:31.821287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077076/publication.txt
observed 3eda62b0fa7405f8606e489ce5cfb0d0...
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.