OpenTechnical

OT-2026-000008904

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, vented after set-down

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-2026-000008904) never changes.

Identity and time

Publication numberOT-2026-000008904 · never reused
Internal UUID01a0ae6b-31b7-71a3-b286-f05c4445a3c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008904
StatusPUBLIC

Content hashes

Canonical text3b6df9be234951cc77764e673312a39862a3a93ab5c67a7d8cdcde862bb2f9da
Markdown4f6c75e1851a7ab0c699dbb7cf62446775e898fd24888f108174e1eef3b073f2
PDF
Publication page9852a4a9e3a99689af59ca303c36e95dc02bc6ee23fe39a96d0ef94b21ecf13c
Manifest4988748a368812af500811aef523b792148dd051e81aaecb4bfcf6c5bacf7a94

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
SignatureE4aTbsS7HLaZRKP35d974/l7IadlZxcUtWytEH3/fNKxVumec015TaGUN+hFZTzQBNm2tDLlyxxOPoX8hNwhDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:30.365377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008904
observed 9852a4a9e3a99689af59ca303c36e95d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.350044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008904/manifest.json
observed 4988748a368812af500811aef523b792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.332873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008904/publication.md
observed 4f6c75e1851a7ab0c699dbb7cf624467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:30.315425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008904/publication.txt
observed 3b6df9be234951cc77764e673312a398...
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.