OpenTechnical

OT-2026-000081969

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, sustained blow-off before 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-2026-000081969) never changes.

Identity and time

Publication numberOT-2026-000081969 · never reused
Internal UUID01a0ae97-0f77-7c8a-96e0-a8b0ac642575 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081969
StatusPUBLIC

Content hashes

Canonical text5662b0ea9d2863a83e6fd53df47ab04c182c5581b18902d003014a211f7cdbe0
Markdowna76a26346ecbc0d9524a68afcdba133f741691050d6cbcc7a73389fb4efec80b
PDF
Publication page9ae178135f40d00b51c892c94408e80e3bccaace9728d662395168d4fb1de0f1
Manifestd8c30de0778ad02937c2d337448450099b4fa48d007784b264760cbe173a38e1

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
SignatureNw/6O4ke+nXHp6jNeCSxUyuqm3u5rtvRiDLr4eihwjY6HOtMC9sVvqO9O56nKvJrSYG7zJ4K+lSrzJHNyRb2CA==
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

2026-09-17T10:01:06.445096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081969
observed 9ae178135f40d00b51c892c94408e80e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.427587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081969/manifest.json
observed d8c30de0778ad02937c2d33744845009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.411884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081969/publication.md
observed a76a26346ecbc0d9524a68afcdba133f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:06.394482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081969/publication.txt
observed 5662b0ea9d2863a83e6fd53df47ab04c...
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.