OpenTechnical

OT-2026-000008187

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000008187) never changes.

Identity and time

Publication numberOT-2026-000008187 · never reused
Internal UUID01a0ae6a-908c-71cd-9bd2-d58ca48f009a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008187
StatusPUBLIC

Content hashes

Canonical textb59fb003e53f5f7b0a38506cb7510bb24b135718679476a0ca0a2968c7dd12bb
Markdown720839bbcfa6cc0bf15482caea08358cb888ceefa694d8fe6256f8b3f5fd196b
PDF
Publication page18a70512717e94b73d5b09dc2b96c65af5f7e4276ac2ac6ae7aa0ca01d8a9011
Manifest9a78b868192247c0f8dbe0d8a9a13cbe747458727954b1c8b5035d1aec565a12

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
Signature5BQ8fM23sc4nDUmeePb4iKP3HbqXas8/VTqMVVLWbBooUreO/H5JI6bUgLn05AsHwK2GyRqUliIMmsirjt1SBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:33.393778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008187
observed 18a70512717e94b73d5b09dc2b96c65a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.377329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008187/manifest.json
observed 9a78b868192247c0f8dbe0d8a9a13cbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.358549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008187/publication.md
observed 720839bbcfa6cc0bf15482caea08358c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:33.338566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008187/publication.txt
observed b59fb003e53f5f7b0a38506cb7510bb2...
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.