OpenTechnical

OT-2026-000073341

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000073341) never changes.

Identity and time

Publication numberOT-2026-000073341 · never reused
Internal UUID01a0ae92-efb7-792d-95f8-3baa2f2bc579 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073341
StatusPUBLIC

Content hashes

Canonical text1c32d5ad1cfaac6521490e394cc1088133d734594269388a7595dbaf292ac511
Markdown353300691a956ef93b22ae1bf97cbe07065deb88832a6292072e57ebb656d45c
PDF
Publication page06342c6ab135ca2384e96e1e3677c62052474a5646c3f38450d732a6a182ad25
Manifest6987976c3924f8e20c21c99fc1c4b81c3b7a2afd7038ca30991151adcbc16eb3

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
Signaturet9dqz1D/5ACV+3en9Cg0XOVOUJB0sCQoX0AYj24MpoqF4+UgTii6Hw6dYd9fIQB9gVddPWEYrMX4gGQilmjKBA==
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

2026-09-17T10:21:21.774904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073341
observed 06342c6ab135ca2384e96e1e3677c620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.756672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073341/manifest.json
observed 6987976c3924f8e20c21c99fc1c4b81c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.738525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073341/publication.md
observed 353300691a956ef93b22ae1bf97cbe07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:21.717917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073341/publication.txt
observed 1c32d5ad1cfaac6521490e394cc10881...
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.