OpenTechnical

OT-2026-000053919

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000053919) never changes.

Identity and time

Publication numberOT-2026-000053919 · never reused
Internal UUID01a0ae85-b3a6-7ccf-9c67-a057627ebcc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053919
StatusPUBLIC

Content hashes

Canonical texte1c91f76e945e561087f28880526226b91ef91bb4be373e4fdfc443dd09aaca6
Markdown6905fb4e7a11c363742cb7e0b9de3bd23450ddf95aef4c199e9cc327bbea9f31
PDF
Publication page1d5cce679ccd885f0b14a7cd1ab278bd3f48c9baa33dd522cca0666bc0a1ad1c
Manifest08f6f03c3a956191cc467277c789ec8029c0003490233729348f294ab9b6a4c1

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
SignaturexvAaFCYz15VbFzc2FtyaakII8SVhQlPyywXEc6uUhpEQFWekYvws7Cm2PnR0dkxQ7RokOr6OfZ+KEOuPXXenBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:09.526161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053919
observed 1d5cce679ccd885f0b14a7cd1ab278bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.504090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053919/manifest.json
observed 08f6f03c3a956191cc467277c789ec80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.485913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053919/publication.md
observed 6905fb4e7a11c363742cb7e0b9de3bd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:09.468626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053919/publication.txt
observed e1c91f76e945e561087f28880526226b...
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.