OpenTechnical

OT-2026-000068253

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000068253) never changes.

Identity and time

Publication numberOT-2026-000068253 · never reused
Internal UUID01a0ae90-247f-72f4-b96a-93d47c3c3e79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068253
StatusPUBLIC

Content hashes

Canonical text943f40c7d823b3fd83bbdfa8a604c75aee36f572613c3ec6f637123f142b3d2b
Markdown65fa122748a7d755e489e874424629148a14b8c181e04036eea047d6145c5b70
PDF
Publication page519d6825c46addad4fc4305a739de0097697477a8bbac2d86a32679e206ca16a
Manifestde0016386221c5aeca2d2c80d1dc741c36816839fd63f12e82f331a6a81f59b2

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
SignatureIY8D+wbnl55CiKGU+FoejfLChkoQYZ6tZG+5fZzwSzvA1D7CHfSRRvsc1MW7atqJZ2iFCnasnBSwO/LvbeeZAA==
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

2026-09-17T10:29:16.552072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068253
observed 519d6825c46addad4fc4305a739de009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.535383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068253/manifest.json
observed de0016386221c5aeca2d2c80d1dc741c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.518143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068253/publication.md
observed 65fa122748a7d755e489e87442462914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:16.499452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068253/publication.txt
observed 943f40c7d823b3fd83bbdfa8a604c75a...
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.