OpenTechnical

OT-2026-000072276

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000072276) never changes.

Identity and time

Publication numberOT-2026-000072276 · never reused
Internal UUID01a0ae92-47c3-7d7d-aea0-9d2aad2d5b30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072276
StatusPUBLIC

Content hashes

Canonical text6d3444f1ebec87691d0a97a919347eae56e3a9b6b37cace71f61fc48ff3e25ba
Markdown4398fb667373cbb2d72c94bccf83aa2e232f9e4b3da4d12ab37cf6ac0af68a38
PDF
Publication page15c3459c102f035ef28543f16bf550486cff96114216789acfc48d63b0bbb71e
Manifestbb978fa75357542b0072063c3afffba96394229e60bdc23a1923c22d3a3cb841

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
Signature/hH/2V7TgAyin/q7KlbkYolxd9Gz0mnnl+M0kBy586eN7wBIyWb2XyfEamdpFQg/uOp0kRCzAgS0/jszES0JAQ==
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

2026-09-17T10:23:23.382366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072276
observed 15c3459c102f035ef28543f16bf55048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.366748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072276/manifest.json
observed bb978fa75357542b0072063c3afffba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.349710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072276/publication.md
observed 4398fb667373cbb2d72c94bccf83aa2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.332933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072276/publication.txt
observed 6d3444f1ebec87691d0a97a919347eae...
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.