OpenTechnical

OT-2026-000088130

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000088130) never changes.

Identity and time

Publication numberOT-2026-000088130 · never reused
Internal UUID01a0ae9b-1aa8-7552-af13-e4d167419b62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088130
StatusPUBLIC

Content hashes

Canonical textc9c74803efd52d739ec8ff6c80b8f218d3e2086b697e8a96baa6b8b579ef5a10
Markdown2218a68aea2f53a102665c858421935965bcafd20f864932fc6088081fca1456
PDF
Publication page9982cad189324314a0765504cb9a1d321af029f4498a95219ab6dcffd45140fa
Manifestd6a54b249064cb35c7326f11ba84db3e6167132442e97cdda82fbefa7ec3bdd9

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
SignatureM104RvcwbuIcXRUk9/CT2A65st9fTzKQtziofCfOQRtogUTVazX6pwIDIOCpffv6xbGEc2ts9n8KqPCKB7VWDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:09.667112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088130
observed 9982cad189324314a0765504cb9a1d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.649036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088130/manifest.json
observed d6a54b249064cb35c7326f11ba84db3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.631499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088130/publication.md
observed 2218a68aea2f53a102665c8584219359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:09.605709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088130/publication.txt
observed c9c74803efd52d739ec8ff6c80b8f218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:08.839021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088130
observed 9982cad189324314a0765504cb9a1d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:08.809863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088130/manifest.json
observed d6a54b249064cb35c7326f11ba84db3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:08.778868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088130/publication.md
observed 2218a68aea2f53a102665c8584219359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:08.755428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088130/publication.txt
observed c9c74803efd52d739ec8ff6c80b8f218...
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.