OpenTechnical

OT-2026-000077613

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000077613) never changes.

Identity and time

Publication numberOT-2026-000077613 · never reused
Internal UUID01a0ae95-2ece-7290-bcf9-8991982e3904 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077613
StatusPUBLIC

Content hashes

Canonical text3af10d136e40309ef10b5642cc20481073ce3713b2f289921fbe0e562901a733
Markdown263e6567eefa0564a2df8c38aeba12c04e0f2fcdbb77fa363dafdab9aee09923
PDF
Publication pageaf7bd4bdb868f77f28c48fc0e6bcc46f19763284026e3af09641bc05a3afa2cf
Manifest64486a1438770105867bbc8035c8f0a7c24aa435f46d107c96ce67899ddd2cb0

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
Signature4dK6E9PQqw5w6GV81O43+bxtHRhE3PkBgTUKyZboGVTUwj+dzGqQHVJPMkCXJGOgPxYPruaW017D1djMDORhBQ==
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

2026-09-17T10:07:10.393264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077613
observed af7bd4bdb868f77f28c48fc0e6bcc46f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.374289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077613/manifest.json
observed 64486a1438770105867bbc8035c8f0a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.354344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077613/publication.md
observed 263e6567eefa0564a2df8c38aeba12c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:10.329680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077613/publication.txt
observed 3af10d136e40309ef10b5642cc204810...
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.