OpenTechnical

OT-2026-000060674

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump 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-2026-000060674) never changes.

Identity and time

Publication numberOT-2026-000060674 · never reused
Internal UUID01a0ae8a-b7ce-7576-8cb6-fa10850b6d98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060674
StatusPUBLIC

Content hashes

Canonical textf773d822d2dfa79cc9a7ba7696c9daf436cca605b44bc31e69466d2b6b116ac5
Markdown70a6c0350f005702004aa3048c109d050dafe9667c3d37b597350cd5e2a900d8
PDF
Publication pagef501b38f6f2e3918d2a776fccea1e5d2b6dc7fe2c23cc0a667a0b9c890608411
Manifest712012427a5dfd52e21db0e4af8f8498c853b2e8d0b9188d7a10077593ca7e78

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
SignaturekKwyyDH6aEpuxSOBmpk24TMO6evWyIGxoI51YpG7FsIVlbWefjK0IMoNzpSeRykp7IK5rkEU9bJVLxvCSZLNCA==
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...

Independent retrieval

2026-09-17T10:43:18.877791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060674
observed f501b38f6f2e3918d2a776fccea1e5d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:18.860134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060674/manifest.json
observed 712012427a5dfd52e21db0e4af8f8498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:18.842433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060674/publication.md
observed 70a6c0350f005702004aa3048c109d05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:18.822078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060674/publication.txt
observed f773d822d2dfa79cc9a7ba7696c9daf4...
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.