OpenTechnical

OT-2026-000095806

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000095806) never changes.

Identity and time

Publication numberOT-2026-000095806 · never reused
Internal UUID01a0ae9f-fac6-7b82-a419-698e47ef8805 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095806
StatusPUBLIC

Content hashes

Canonical text1036df82627fe4153eddfb3f15455789cfccff1eb030b50b1f81822e31db97c2
Markdown0d6e232aaf591feca17bd56fc1b638eb5b9fe13e3787a29eea01b8a0dd97ae05
PDF
Publication pageef0f48293d2918256ccb42cd68432cbdc15c7a1afa2e37706a1fa359dd848d39
Manifest87d0b50f2f4850d8f8f952ffd262389721370d30af86467ec6a1779310a1b840

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
SignaturejyPoTs1H1c7/bYDF9LPQwfKgfSGv3uaIbrRoPzmXnzBYQxn5WTm7dC0a8MADbt4Ee60ksoWtMYP9FEsaBv1WDQ==
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

2026-09-17T09:35:52.934231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095806
observed ef0f48293d2918256ccb42cd68432cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.917622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095806/manifest.json
observed 87d0b50f2f4850d8f8f952ffd2623897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.900386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095806/publication.md
observed 0d6e232aaf591feca17bd56fc1b638eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:52.881835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095806/publication.txt
observed 1036df82627fe4153eddfb3f15455789...
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.