OpenTechnical

OT-2026-000071170

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000071170) never changes.

Identity and time

Publication numberOT-2026-000071170 · never reused
Internal UUID01a0ae91-e0eb-71cb-bd35-b019461e568f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071170
StatusPUBLIC

Content hashes

Canonical text88ac41fba8d098318b0d41ec2a041c2b1994300d47f1ad1e456d3c88ecddb03c
Markdown40c27cc4dd15e0b74dd82be8540abd09410b1bb24f7df493dbea9cd63919fcea
PDF
Publication page11361ea9977c6f51074942af787e99126c0ce2520ec3bfe7d8817340e6816224
Manifest421eebbaf6b2ae22782c8318f2d73cc5cd0db4836bb222cccb1b0656601d95ca

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
Signature22teoXkMaDW7zDo1UhVIOCWgC3vJD6l/tII0sNJlqB6LK89s+jremkHhAEgE3bzT3m/gpfKkf6uX9lgLz48lBw==
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

2026-09-17T10:24:40.818018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071170
observed 11361ea9977c6f51074942af787e9912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.801660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071170/manifest.json
observed 421eebbaf6b2ae22782c8318f2d73cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.785354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071170/publication.md
observed 40c27cc4dd15e0b74dd82be8540abd09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.769295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071170/publication.txt
observed 88ac41fba8d098318b0d41ec2a041c2b...
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.