OpenTechnical

OT-2026-000076554

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000076554) never changes.

Identity and time

Publication numberOT-2026-000076554 · never reused
Internal UUID01a0ae94-b06d-7277-86ea-eb964c5b38f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076554
StatusPUBLIC

Content hashes

Canonical textc351d2098f042a51e4c6c665814311d25d21d4c97c1aafd1956a0aed52b5212c
Markdown7a7bd2f6e9514366cb12d6d41d106fa7675b77b32132c697014482fe09d6893e
PDF
Publication pageb19b47ca7999f8646064ef5a639912255349ebf2af54e1ae1466de426459d75c
Manifest3ad8a479e909a1e090b5e98b3303a1d97e681bba7ac630af7170a4235873a234

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
SignatureJs46oA4fXTvgGRoRUvrA+vB4kxxBCf1vdjbJ3TzrMf1O/FTY8lzNsPanxevQkDao5Ok6k5GptRmXUfbj3prYCg==
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

2026-09-17T10:09:16.210172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076554
observed b19b47ca7999f8646064ef5a63991225...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.187367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076554/manifest.json
observed 3ad8a479e909a1e090b5e98b3303a1d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.167100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076554/publication.md
observed 7a7bd2f6e9514366cb12d6d41d106fa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.148667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076554/publication.txt
observed c351d2098f042a51e4c6c665814311d2...
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.