OpenTechnical

OT-2026-000095137

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000095137) never changes.

Identity and time

Publication numberOT-2026-000095137 · never reused
Internal UUID01a0ae9f-8f6e-79d8-abf0-9aa485c69e09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095137
StatusPUBLIC

Content hashes

Canonical text66eaa4962df79c9d883601f57ecf2421bcdbbc14b4e94c4d964b0a9c3e63ab35
Markdown441e9604e4d4017ea1e362d2097ab62875d5dee6d34854821bf90065e16f2ebb
PDF
Publication page9fc87754acdc7066644d9f66ef797f3d2e867e25e280b553c6f3e34cd48f3887
Manifest4bff6be353a9b047d4c50bdc2d1b4ff62ae49ea4e87fe84c8c02fbf56d048d29

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
SignatureMYySkYeA8GCzmm0PBz1X1jFQUaWrYJS52dAtDU2GNTf+cdkVD0FvIEk+EcpLZSTZl7NGlPeHaMMbYAFsnywJCg==
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

2026-09-17T09:36:26.034875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095137
observed 9fc87754acdc7066644d9f66ef797f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:26.015460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095137/manifest.json
observed 4bff6be353a9b047d4c50bdc2d1b4ff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.995544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095137/publication.md
observed 441e9604e4d4017ea1e362d2097ab628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.977251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095137/publication.txt
observed 66eaa4962df79c9d883601f57ecf2421...
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.