OpenTechnical

OT-2026-000086567

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, sustained 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-2026-000086567) never changes.

Identity and time

Publication numberOT-2026-000086567 · never reused
Internal UUID01a0ae9a-2c98-79b2-a871-8b14be4c4669 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086567
StatusPUBLIC

Content hashes

Canonical text749ff33356209afd84f7f6f9997d9e21ab84795dfd05eb4011a48378b9c671ca
Markdownff690b5cf95513d4f4622fa95661b9c3906fff890b9ae2ce4318d68d494c5099
PDF
Publication page8c3b59ba22e1bd1781b0ef0f1a2f335b2d9fe960f1612e151fe8bfffb8fca1f9
Manifest7598abb07059e9b91e9d39b790172139f0e3e2d741b8c3335fde357ce298ea04

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
SignatureOQrtZxwCD5hrFp2K7Srxl5oHc7nvmZtnFaGNHBB0dDMwrmRe3+mnnlUaXdfdD75EuRYmpaIhv0iSv7UHAS3ZAg==
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

2026-09-17T09:52:24.043423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086567
observed 8c3b59ba22e1bd1781b0ef0f1a2f335b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:24.025090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086567/manifest.json
observed 7598abb07059e9b91e9d39b790172139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:24.007552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086567/publication.md
observed ff690b5cf95513d4f4622fa95661b9c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:23.990072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086567/publication.txt
observed 749ff33356209afd84f7f6f9997d9e21...
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.