OpenTechnical

OT-2026-000013363

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000013363) never changes.

Identity and time

Publication numberOT-2026-000013363 · never reused
Internal UUID01a0ae6d-6fca-7c32-9701-8027c2ff6191 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013363
StatusPUBLIC

Content hashes

Canonical textff6ee4bbc02792fc9a71c30d65a9bf54bd6c6367ab5f7b0cc6cef4db093de7bf
Markdowne8cfdb0529d5cfe2d14ebdea6717bf4442eae4ff7d584405f6d930cff0c89e6a
PDF
Publication page395074528fb471d433615035eb6d23f50dcf44636d75efbfd183ad5e6e5b8c65
Manifest2d580bccd981fcf411756b991e9be276ae5d4a36cb2a816ae329f6007a951cca

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
SignatureL/U3Ch92k/A7mJnC/JCyiFEbIw0s8cMMABr9IQiskGEBT8r9LhucUjLHT/YSDUaAri6agDnR37t8ymp2KGyaBQ==
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

2026-09-17T12:09:49.119824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013363
observed 395074528fb471d433615035eb6d23f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:49.089087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013363/manifest.json
observed 2d580bccd981fcf411756b991e9be276...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:49.058394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013363/publication.md
observed e8cfdb0529d5cfe2d14ebdea6717bf44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:49.029746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013363/publication.txt
observed ff6ee4bbc02792fc9a71c30d65a9bf54...
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.