OpenTechnical

OT-2026-000075602

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented 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-2026-000075602) never changes.

Identity and time

Publication numberOT-2026-000075602 · never reused
Internal UUID01a0ae94-29fd-732f-afcb-1ec4a0e7d5f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075602
StatusPUBLIC

Content hashes

Canonical texta7d2502d3c4b2581d2f25d6f2cbea3580354139c231c873ed53159f657f57477
Markdown4434f65dddd8c636d5aef846eb1ae8a635fca519b4578464ceeb330c8fb49639
PDF
Publication page1ffceea03e3058c85f0d4b1b01524be2a9a0cad0b7e8fe672cbbd5212865922b
Manifest2b01a5e6f70e66546a5bd33117286c8a3ab6ce1792882a5a304b331e5a9592d9

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
SignaturesoCm/NZYFjCVRLRwr+NGZolygbMxmx21kCx+6QJYW+Nm43fobhNN3OYnqpTLvEC86PS8xV7m99eRvaAMKogsAQ==
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

2026-09-17T10:13:16.706676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075602
observed 1ffceea03e3058c85f0d4b1b01524be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:16.561700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075602/manifest.json
observed 2b01a5e6f70e66546a5bd33117286c8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:16.539429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075602/publication.md
observed 4434f65dddd8c636d5aef846eb1ae8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:16.512375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075602/publication.txt
observed a7d2502d3c4b2581d2f25d6f2cbea358...
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.