OpenTechnical

OT-2026-000077717

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000077717) never changes.

Identity and time

Publication numberOT-2026-000077717 · never reused
Internal UUID01a0ae95-2ecf-78be-857b-c07cfc5b7440 · 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-2026-000077717
StatusPUBLIC

Content hashes

Canonical textb4cea4d309279dca0f8cd86ded1cde3a20d219eec126ccd2d4a4a4e2a60a328b
Markdownb7a574def3158d7d4a35fc253b31f555d413de7bb15922c2cb3a38a5ea0c388d
PDF
Publication pagec7ed32b602297dc2145f314f2d10ce18d6d62541ee35dd6eb2d28f43dfa842fe
Manifest72d870aaa832fd9c43e6e651330b8a3c0d144d14867e4c1a6484b78ed24fecb4

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
SignatureExrXcEjqK2raylaRxGiwhBjo5Lzjizf1COzjE7jL/VBdTrpSjP3rAcIPawvcWnGG83piTfcJr1JmDWwcdAoSCQ==
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

2026-09-17T10:07:17.597263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077717
observed c7ed32b602297dc2145f314f2d10ce18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.578831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077717/manifest.json
observed 72d870aaa832fd9c43e6e651330b8a3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.559304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077717/publication.md
observed b7a574def3158d7d4a35fc253b31f555...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:17.541028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077717/publication.txt
observed b4cea4d309279dca0f8cd86ded1cde3a...
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.