OpenTechnical

OT-2026-000030772

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000030772) never changes.

Identity and time

Publication numberOT-2026-000030772 · never reused
Internal UUID01a0ae74-3fb4-7419-81e4-267b4ee833ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030772
StatusPUBLIC

Content hashes

Canonical text513d08b1247a5b13b7a7e8c938a0043cfac8903ade9b8647e0ceecda25edf0ad
Markdownd6d1c25dd6f488e047c296a504766bdfb717c245506109a32f0bc54388395cfd
PDF
Publication page28b715569f0a1b110cce17894bd50d6dd3c1dcea22fe2cf38245ac0180f4689f
Manifest5a9f2d0769609ea83849e5b0969be459d7b4e942c09986156d43a0b3f4b5db12

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
Signaturezf+uxO7G08HVtiUT/zrxuKI3ewFlhZuS6QvdiJdLrN4VS9Zrs1uBqTbozU9o2f30lOTWiMANJdysRHVFiFm7AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:43.741293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030772
observed 28b715569f0a1b110cce17894bd50d6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.724679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030772/manifest.json
observed 5a9f2d0769609ea83849e5b0969be459...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.708286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030772/publication.md
observed d6d1c25dd6f488e047c296a504766bdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.691162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030772/publication.txt
observed 513d08b1247a5b13b7a7e8c938a0043c...
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.