OpenTechnical

OT-2026-000056777

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented before set-down

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-2026-000056777) never changes.

Identity and time

Publication numberOT-2026-000056777 · never reused
Internal UUID01a0ae87-7af7-7a5f-b457-42ad9189a0d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056777
StatusPUBLIC

Content hashes

Canonical text0067732fdcb22c39afc74f335c69bf2cc47f93787e5f431150bc3a4febbddf30
Markdowncca8e54e70a0ee223a4f5cab4614aee68f38998800396c0221e52c5686ead855
PDF
Publication page13ed0d2d1e675fa3eec3c9199788d8e6de1cfb17ee9e1a4224726bdaaf76121b
Manifest94dda4a46ea634fe56a4c60d8137dbb5dfba58160aa5bd98b7353b8d2dc6648b

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
SignatureOj6nkhaeRXtwdSldkOeh7paXPUjJ7YWnADR+8mA2Vh8ifyIrFwyBBz+MuuKML3eNqSLFV+OvkxGKAwd2aZ+IAQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:15.153866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056777
observed 13ed0d2d1e675fa3eec3c9199788d8e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.135960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056777/manifest.json
observed 94dda4a46ea634fe56a4c60d8137dbb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.118497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056777/publication.md
observed cca8e54e70a0ee223a4f5cab4614aee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.100003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056777/publication.txt
observed 0067732fdcb22c39afc74f335c69bf2c...
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.