OpenTechnical

OT-2026-000063835

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, 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-2026-000063835) never changes.

Identity and time

Publication numberOT-2026-000063835 · never reused
Internal UUID01a0ae8d-53b7-7b28-903d-c452e0e2f630 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063835
StatusPUBLIC

Content hashes

Canonical textac06d5c47ce7a184bcfbb6ea248f2ad72368a35d1059ed0fdb9b039a3719e2d4
Markdowndb4a0956074088156e5d7b643a44b72ee036faadae532fc37889e5f6686671a4
PDF
Publication page8276392be53162fa8a4a86740f659089839995a931b711db37dbb06009ad266b
Manifest3e08b07afce4f8ac0d34aa3896741eb4c2d6cbc6cbb8b0fbaee0a605815c3bd0

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
Signature9MSrfNlM1zJ9Otfn5SiZIxjrSrxP7OAGn8z8/k2NJLU8XXRnnZPI2grmOdmE6cJB/9JVMhn6eKlcjZtGm0vhDQ==
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

2026-09-17T10:36:51.676362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063835
observed 8276392be53162fa8a4a86740f659089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.658389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063835/manifest.json
observed 3e08b07afce4f8ac0d34aa3896741eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.640515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063835/publication.md
observed db4a0956074088156e5d7b643a44b72e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:51.596313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063835/publication.txt
observed ac06d5c47ce7a184bcfbb6ea248f2ad7...
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.