OpenTechnical

OT-2026-000069723

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000069723) never changes.

Identity and time

Publication numberOT-2026-000069723 · never reused
Internal UUID01a0ae91-185e-7ac7-a72a-d58238807824 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069723
StatusPUBLIC

Content hashes

Canonical textc59a12e8b3e86ff413f6667b9338337d0b869001a06a65917767555945cf800b
Markdownc52c010df217febacaa3c802c5e505d1e98dc69aaf30b30407df87c258336d1c
PDF
Publication paged4b467ef2ca7b06439497cc44eecdca6518be65020740656d39ef5cfa0ee0c44
Manifest84f7c0776fa3c9ba86114c1a7692245c4208e831a3c1449dc416507f61eed732

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
Signature3G/AwBYhjWbeXZA5sGYXNFHa7b46ZNW+VCcIbchjBHmiRb4Jc533O7QB8jKL748Mc233CdaDlaKiaoRUjEaMBA==
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

2026-09-17T10:26:31.909876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069723
observed d4b467ef2ca7b06439497cc44eecdca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.892142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069723/manifest.json
observed 84f7c0776fa3c9ba86114c1a7692245c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.874357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069723/publication.md
observed c52c010df217febacaa3c802c5e505d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.856636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069723/publication.txt
observed c59a12e8b3e86ff413f6667b9338337d...
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.