OpenTechnical

OT-2026-000031300

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000031300) never changes.

Identity and time

Publication numberOT-2026-000031300 · never reused
Internal UUID01a0ae74-87ac-7a0b-b327-db9251eae146 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031300
StatusPUBLIC

Content hashes

Canonical text1dceae179675c14c2a8e9b2979186c46cb4acdeac082f07752d8c87a1173eddf
Markdown795b932761fa4df4040c08926f08d6acbf953348197718b71765719772be3f3e
PDF
Publication page53696bafd975f647e0582b5978a5596186833f7cc5f33980be062453cc86a941
Manifestd14b56931c6e2e8c6b774d8203a8d0848306272aee8a4bb80dc69e4188beb2a7

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
SignaturebhWuO9whtfxq+nvGuwZsHsRtuZnNRaK5McCsYrgFBlI/nA1d7ExjlKYAhnd/rIlK2FG3G7nvjdp+t81GPAa4Dw==
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

2026-09-17T11:35:53.296575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031300
observed 53696bafd975f647e0582b5978a55961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.280857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031300/manifest.json
observed d14b56931c6e2e8c6b774d8203a8d084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.259439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031300/publication.md
observed 795b932761fa4df4040c08926f08d6ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:53.238910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031300/publication.txt
observed 1dceae179675c14c2a8e9b2979186c46...
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.