OpenTechnical

OT-2026-000101605

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, pulsed blow-off 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-2026-000101605) never changes.

Identity and time

Publication numberOT-2026-000101605 · never reused
Internal UUID01a0aea4-0e15-75f2-8c21-23d2affeb4d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101605
StatusPUBLIC

Content hashes

Canonical text8dd8d4d7ab8a6c2c6680e59b63b58fcac39ed8f94ff3e62e57032d7da869d621
Markdown76bfff814b7a35921470949816da4fa021f51bfc3f4fcb1f0ed698d11bfc607a
PDF
Publication page50947d35b7c687ac214871e1330add72c78108207d41fc24ed319b09d5efbb73
Manifest5d9d833b59c31fefa6434d6303d08ba9723b03ab09cf0f42b3b5167bf359448c

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
Signature9ejAtSuARi9reXNtCzUlMMv4g3WN/6NImVqwKDf9ICT6MJRS8CiPPgCJf1/J1XZ6sbVsQEMuGL+aC2+A3iKeCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:42.946972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101605
observed 50947d35b7c687ac214871e1330add72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:42.928024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101605/manifest.json
observed 5d9d833b59c31fefa6434d6303d08ba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:42.908570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101605/publication.md
observed 76bfff814b7a35921470949816da4fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:42.887573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101605/publication.txt
observed 8dd8d4d7ab8a6c2c6680e59b63b58fca...
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.