OpenTechnical

OT-2026-000030231

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000030231) never changes.

Identity and time

Publication numberOT-2026-000030231 · never reused
Internal UUID01a0ae73-e500-7dbd-a494-1cb5c92beb79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030231
StatusPUBLIC

Content hashes

Canonical text34eaa4caf47762710b5db237024e65d0d5977828ce2ea8a5522369fd112ba75c
Markdown8f6f6a1e8d3614419462420b4ac0e99e82b1d57c2429917e7c4d4cb67fda9f41
PDF
Publication pagedb4163aced6c7c94675155d3863fa2509db983a292a56ee83d5047a6b032e5e2
Manifestd29482c851103e17d00f1e0fed4a15396ed5be329b8f29ae87c409f3acd168c2

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
SignaturePEcSA5ms4Y+aas44X+MFhXgt8uoJupSWpU+4erG4cGH6GP2ZdzfvEFFDO5Yj7lJq0d36hHMz8rVkxvE2JJurCQ==
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

2026-09-17T11:40:36.573619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030231
observed db4163aced6c7c94675155d3863fa250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:36.557083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030231/manifest.json
observed d29482c851103e17d00f1e0fed4a1539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:36.538705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030231/publication.md
observed 8f6f6a1e8d3614419462420b4ac0e99e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:36.520923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030231/publication.txt
observed 34eaa4caf47762710b5db237024e65d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:53.089136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030231
observed db4163aced6c7c94675155d3863fa250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:53.067935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030231/manifest.json
observed d29482c851103e17d00f1e0fed4a1539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:53.047182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030231/publication.md
observed 8f6f6a1e8d3614419462420b4ac0e99e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:53.027161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030231/publication.txt
observed 34eaa4caf47762710b5db237024e65d0...
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.