OpenTechnical

OT-2026-000072644

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three 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-2026-000072644) never changes.

Identity and time

Publication numberOT-2026-000072644 · never reused
Internal UUID01a0ae92-89d9-78a8-97c0-532f6c50bf43 · 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-2026-000072644
StatusPUBLIC

Content hashes

Canonical text57b072d7f2c01cc77587a0728059dbd581078769b4f1e57abb615ab5a90258e2
Markdownc0c00774390be5a043d9d17495a2402b8596caea061bc7ab0ebd4033b8d60102
PDF
Publication pagec0e68cce4daabf4dc12025ab01d2cb3ef1a10142dedfdb3a183e90d9f88a9171
Manifestf121504d1e54c5eadd6d4cbb5f066a05623f7f7ec239bf3635e8d21a9d8dfa91

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
SignatureD3+xIJopnQKgK+X9nG9XHDxWWCrNgPvlDszZshaQEYTD0mV1a1jnLgMyewlmDYizzwVvoEgAlrThgvcBZ4X6BA==
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

2026-09-17T10:22:30.384386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072644
observed c0e68cce4daabf4dc12025ab01d2cb3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.366921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072644/manifest.json
observed f121504d1e54c5eadd6d4cbb5f066a05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.350600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072644/publication.md
observed c0c00774390be5a043d9d17495a2402b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:30.332024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072644/publication.txt
observed 57b072d7f2c01cc77587a0728059dbd5...
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.