OpenTechnical

OT-2026-000102133

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000102133) never changes.

Identity and time

Publication numberOT-2026-000102133 · never reused
Internal UUID01a0aea4-50f2-7f19-876e-ebd7fdcdd887 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102133
StatusPUBLIC

Content hashes

Canonical text303646f36a41a5a249b47e061bc65e07fa3a588440bb57dd993dd302d05d5e7f
Markdown377f36d9bc9cb2c59eb28e39c8b53fe664585e5b922cc5f503dfd2e354f83b4c
PDF
Publication page39314b09ca2091f2e34d959be33c9f8f3c661a3746fc4c7e5fea78d2b711fdf6
Manifest777f83a6fcf72ffa024af8d54ce5134d400a8cf1d1829b924abdbd035c95895b

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
Signature6V2TRmQ6vbQmBCdvGmjcJLQJMM5h1ZLdEWjl46BElG4RckZ4DnujpefXngkeFIf2uMJ207N4KCkJoKpcyfy6Cw==
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

2026-09-17T09:25:17.709824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102133
observed 39314b09ca2091f2e34d959be33c9f8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.692156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102133/manifest.json
observed 777f83a6fcf72ffa024af8d54ce5134d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.673194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102133/publication.md
observed 377f36d9bc9cb2c59eb28e39c8b53fe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.653466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102133/publication.txt
observed 303646f36a41a5a249b47e061bc65e07...
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.