OpenTechnical

OT-2026-000011251

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three 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-2026-000011251) never changes.

Identity and time

Publication numberOT-2026-000011251 · never reused
Internal UUID01a0ae6c-5410-7ec1-b74e-aae74c75cd92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011251
StatusPUBLIC

Content hashes

Canonical text6435eaebbd31ffecccbe7292a8207aa9ffe464438bda3ffe1dda79972e580be3
Markdown5b0fc0ef111d5a92990b989f19d7e5805ed41c842698da91c9835c0083984600
PDF
Publication page4789161aefe6e010b779f7e28efcc44016c09c0ac8bed10608ffc580c580c748
Manifest7005b3168e9b72721b121e726cf1d8b964d5c977fa879e3009bd69d11f4c478a

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
Signature0/RRQiqqTu5TjEiX0vB/d+/daoZBcB4JGHuxV6NwCZLvLuMZ7dhFyb2r5OSQTgU6ThgEkpW55ndwbMMhsyayCQ==
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

2026-09-17T12:14:13.110498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011251
observed 4789161aefe6e010b779f7e28efcc440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:13.090361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011251/manifest.json
observed 7005b3168e9b72721b121e726cf1d8b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:13.069619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011251/publication.md
observed 5b0fc0ef111d5a92990b989f19d7e580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:13.050160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011251/publication.txt
observed 6435eaebbd31ffecccbe7292a8207aa9...
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.