OpenTechnical

OT-2026-000078451

Publication integrity record

Foam pad vacuum gripper, three zone face, four 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-2026-000078451) never changes.

Identity and time

Publication numberOT-2026-000078451 · never reused
Internal UUID01a0ae95-7c28-7869-94a0-ea826fe39303 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078451
StatusPUBLIC

Content hashes

Canonical text793d23e17e82c3553ae0ef343203a59ebbf4ecddb847448cd37617f2dcd41fa1
Markdown4bc61fa8b63e4b7a9853b68cecae08c6ce7038465db8a67f27379333660a2a96
PDF
Publication pagedfab75e19fc81411d69c5607bb84cbf8a9d6b788feb2e96db89c761b815cf411
Manifest3d6e16a46896afd616906b0103e656111cdfaa1bab174b4131d01cd759145817

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
Signatuream7V9J/nRPL0RKZ0VBN7baxYqLcMUqlWkso0jMlbGzB47Wv9wyfZTM3Jc8r7+w7Y0jO0jWzws/YJG9t4GKH0Aw==
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

2026-09-17T10:06:27.161910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078451
observed dfab75e19fc81411d69c5607bb84cbf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.142791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078451/manifest.json
observed 3d6e16a46896afd616906b0103e65611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.123869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078451/publication.md
observed 4bc61fa8b63e4b7a9853b68cecae08c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:27.105704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078451/publication.txt
observed 793d23e17e82c3553ae0ef343203a59e...
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.