OpenTechnical

OT-2026-000072512

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line 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-2026-000072512) never changes.

Identity and time

Publication numberOT-2026-000072512 · never reused
Internal UUID01a0ae92-89d8-72e8-ba60-88035725f6b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072512
StatusPUBLIC

Content hashes

Canonical text172c5fa3568ecab6c2bceeb3c360c999aa922e0628a202f82d1d46ca0d381bac
Markdown29a7733d8c4a1efcd3595ed0fbcbee52e95de548e6a40365de16ce51f3387c44
PDF
Publication pagec0e24a750600081ba6ed6108a37b1237ccce40ac50d43cf0f2d6dd154728172e
Manifest485841f17a9c91e2eb700dc4eef7c42be05677b7b6ab8c7d799a361733a4adb2

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
Signaturegoj3I/aR1Tnqk7miHtXbaFllXIVwPup1OTChQHQchTs1N6aAcXoB3J/fqAS1cJRbD4cgkL0aITnEfBaCEiZQAQ==
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

2026-09-17T10:22:20.472610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072512
observed c0e24a750600081ba6ed6108a37b1237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.454080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072512/manifest.json
observed 485841f17a9c91e2eb700dc4eef7c42b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.434871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072512/publication.md
observed 29a7733d8c4a1efcd3595ed0fbcbee52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.414852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072512/publication.txt
observed 172c5fa3568ecab6c2bceeb3c360c999...
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.