OpenTechnical

OT-2026-000030102

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000030102) never changes.

Identity and time

Publication numberOT-2026-000030102 · never reused
Internal UUID01a0ae73-e4ff-737a-87fb-24eec5bc4158 · 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-2026-000030102
StatusPUBLIC

Content hashes

Canonical text074e89e7da7e5f79315a9578be357bc7ab9883577637b1f886f5f55e0616948b
Markdown562148ec69eeaef4dacc6c7ceb6855189d19daeb4b58df8a17a40f93c544c3e2
PDF
Publication page7bf4ee1e9440fb2720be66901c2d2af6554bef63ac65abf723a627522eee6461
Manifest74e1d174289ae166f0c3a2195299eb9ca930f6f62f03731137c41454459414b9

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
Signaturej0ddBZXbTXOGNe5BGJux5J2hEdSVfe86JTrQK2giEezcXSdmupizxMjckw7vgXlpGK14fNkb/RRX8LlOV1ypCQ==
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

2026-09-17T11:40:19.854973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030102
observed 7bf4ee1e9440fb2720be66901c2d2af6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.835225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030102/manifest.json
observed 74e1d174289ae166f0c3a2195299eb9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.816868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030102/publication.md
observed 562148ec69eeaef4dacc6c7ceb685518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:19.800423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030102/publication.txt
observed 074e89e7da7e5f79315a9578be357bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.894201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030102
observed 7bf4ee1e9440fb2720be66901c2d2af6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.876016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030102/manifest.json
observed 74e1d174289ae166f0c3a2195299eb9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.859151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030102/publication.md
observed 562148ec69eeaef4dacc6c7ceb685518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:41.842318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030102/publication.txt
observed 074e89e7da7e5f79315a9578be357bc7...
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.