OpenTechnical

OT-2026-000022446

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000022446) never changes.

Identity and time

Publication numberOT-2026-000022446 · never reused
Internal UUID01a0ae6f-f4fd-7c63-acf1-06e645f52c3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022446
StatusPUBLIC

Content hashes

Canonical text93a79ea19d57e4531c167c9dfbbe05e7d8d4cd7c4a608189d3e35326eea925fc
Markdowna65d8c808f326b2145c00504747ea4d9f7313b5834129a68777365c5e021a0b7
PDF
Publication page420df2a542be9fdf2d52ad4debb6f337592685e01574d440319262915be1d444
Manifestb10c7d513752cc31b1b4a24711e4a33145639ace3fa5902acb45dd5231124b51

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
SignatureUiyinMLT0W/Bx6p5kWH/E6ThoH3kEMzZUQo4dRDyyvlN1lyaqTSRePjZpsCvS4dZWRpHv4PXuTtRA7gfILzWCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:53:50.496722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022446
observed 420df2a542be9fdf2d52ad4debb6f337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.478165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022446/manifest.json
observed b10c7d513752cc31b1b4a24711e4a331...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.460538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022446/publication.md
observed a65d8c808f326b2145c00504747ea4d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:50.444297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022446/publication.txt
observed 93a79ea19d57e4531c167c9dfbbe05e7...
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.