OpenTechnical

OT-2026-000077502

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000077502) never changes.

Identity and time

Publication numberOT-2026-000077502 · never reused
Internal UUID01a0ae94-f50a-77ce-8f1a-cdd23dba1db8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077502
StatusPUBLIC

Content hashes

Canonical text85b2f78e21902d2713c9af31566e576624323ef7bcaa6066304a966df84030d2
Markdowna48881a21d01cdcf73f190f71285d8707bc16b0df698de7028ada7b53d5800c1
PDF
Publication page5532d1651ff56981a9ec9ac0f5afb4b8b7e629e3db16b39c69ca20f7226ad077
Manifest324697b60f079a68e058f464dfde122150f1ac03e41579b95e30844274a458e5

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
SignatureFAAPVRKBx5XwnyZmiZu+TIp8K1VZ5ikr8z1C2AnjuOf90bl2f+NvTabOt28w08MyFmH42lnaycMwMi+Ibb58Bw==
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

2026-09-17T10:11:06.690982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077502
observed 5532d1651ff56981a9ec9ac0f5afb4b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:06.545140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077502/manifest.json
observed 324697b60f079a68e058f464dfde1221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:06.526353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077502/publication.md
observed a48881a21d01cdcf73f190f71285d870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:06.504203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077502/publication.txt
observed 85b2f78e21902d2713c9af31566e5766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.356605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077502
observed 5532d1651ff56981a9ec9ac0f5afb4b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.340672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077502/manifest.json
observed 324697b60f079a68e058f464dfde1221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.323938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077502/publication.md
observed a48881a21d01cdcf73f190f71285d870...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:27.304398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077502/publication.txt
observed 85b2f78e21902d2713c9af31566e5766...
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.