OpenTechnical

OT-2026-000077710

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000077710) never changes.

Identity and time

Publication numberOT-2026-000077710 · never reused
Internal UUID01a0ae95-2ecf-7809-bc5e-7affb880b7a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077710
StatusPUBLIC

Content hashes

Canonical text51ec3f088077dcdbe85ce495a904bda0ab2e54ae521311fc17431ff800dc2de9
Markdown22f977ab431fb5dc3327b34bead0ee0f76fb2f576864bea33cb6600f8bdb7f34
PDF
Publication page86957db5a5556b3e28fd8a8265d7c6cbcbec0fb4e98da1c0aa75c9f8f4e84ad4
Manifest388bbaac7c940407b9f2e2a626ec8d66d59da0ce15fd17575a807d10e85d3eec

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
SignaturekkIWkcqr6aKN93MXWLuFbzbhFwDfpVkI0RuO3vobiGUC2NPN2h2H8vhi2v4XbESZrbFwQgIt9fwW/gKRmpXzAg==
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

2026-09-17T10:06:55.978884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077710
observed 86957db5a5556b3e28fd8a8265d7c6cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.957698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077710/manifest.json
observed 388bbaac7c940407b9f2e2a626ec8d66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.938760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077710/publication.md
observed 22f977ab431fb5dc3327b34bead0ee0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:55.920232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077710/publication.txt
observed 51ec3f088077dcdbe85ce495a904bda0...
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.