OpenTechnical

OT-2026-000027963

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000027963) never changes.

Identity and time

Publication numberOT-2026-000027963 · never reused
Internal UUID01a0ae72-a51f-79bb-ac45-212d05d021ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027963
StatusPUBLIC

Content hashes

Canonical text886330841229efa94872e0ac74249fdac16e1047ef6f9497b60c986be6a2a683
Markdown79af8c2213ee2b2f8a8cad4d8008a34dc60cb99ec850d55d0ce68ce94ac10784
PDF
Publication page5c7541c5effab47fca9932816ff1e1cd297319429c915743b5e907f9113567a1
Manifestbf24cc75bceb2f57f740bb0f320d070554d6aad6e3b72a024e4c9c1480382e3d

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
Signature7D7iCApvgNtOqtJ5QzSrnsFgzzWaw99ALJIgCNQUN2nMOneynHvNYi22HRWDEzs1ZCEbm1yf5os4WcxkdzOVCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:09.312179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027963
observed 5c7541c5effab47fca9932816ff1e1cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.296340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027963/manifest.json
observed bf24cc75bceb2f57f740bb0f320d0705...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.279265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027963/publication.md
observed 79af8c2213ee2b2f8a8cad4d8008a34d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:09.263208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027963/publication.txt
observed 886330841229efa94872e0ac74249fda...
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.