OpenTechnical

OT-2026-000061414

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, vented 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-2026-000061414) never changes.

Identity and time

Publication numberOT-2026-000061414 · never reused
Internal UUID01a0ae8b-7b42-77be-bf2f-bd2a71bfdbc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061414
StatusPUBLIC

Content hashes

Canonical textec51553aef91297a619867bcdf77205ff0a8a12f2097284bf4bc42d82b12c4b1
Markdown5a865ae23ffa788ef59a0b7059061cc73bdde95d0708e3b23182ff7747c1009d
PDF
Publication page6ffcd85d2aa6fb236505a37d937777e1afee01423f55fbe661155257d50a2b7e
Manifest76a1bff3b664ec8139c05e2e606a1a79201fb81f446f99bea59e89461bbaf1cf

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
SignatureauA2ExuqMOmst0o6TYQeb0ZEt1JmKOLFW2lUa7g9J2tc/a9m5Ow9KaLRLjHgJN3BNzky2g8fgc4iIJtM67kaCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:17.015402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061414
observed 6ffcd85d2aa6fb236505a37d937777e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.994045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061414/manifest.json
observed 76a1bff3b664ec8139c05e2e606a1a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.973101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061414/publication.md
observed 5a865ae23ffa788ef59a0b7059061cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:16.953421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061414/publication.txt
observed ec51553aef91297a619867bcdf77205f...
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.