OpenTechnical

OT-2026-000095659

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000095659) never changes.

Identity and time

Publication numberOT-2026-000095659 · never reused
Internal UUID01a0ae9f-fac4-7a6e-a295-df9a6164b314 · 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-2026-000095659
StatusPUBLIC

Content hashes

Canonical text212e2464b1c876224f536fa2f5730b0457dd1bc85e05798dc488c3d094cf6b70
Markdowncea8daf66228a2f91e412f5d2644be63b117653b79bf6d1e36f81879521ffa39
PDF
Publication paged2ab3e184cc8b988551b1f6e3db64756037c5881069fb9b5ed206ef3c8fd1692
Manifestf338426c8d752ec10054de00448a578ba9fc90ced4fcbb7b462703b85900886d

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
SignatureiGXOzW0u4/CKUBIrzyPj1tAAGcT4PLXlc5YPbuNXh8o/o6VNA4rnF6x7iA026asZw8iXdyt/qJZ5H1z1S1J4DA==
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

2026-09-17T09:35:07.666662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095659
observed d2ab3e184cc8b988551b1f6e3db64756...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.650379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095659/manifest.json
observed f338426c8d752ec10054de00448a578b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.633450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095659/publication.md
observed cea8daf66228a2f91e412f5d2644be63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:07.615405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095659/publication.txt
observed 212e2464b1c876224f536fa2f5730b04...
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.