OpenTechnical

OT-2026-000072804

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two 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-2026-000072804) never changes.

Identity and time

Publication numberOT-2026-000072804 · never reused
Internal UUID01a0ae92-89da-7dbc-87f9-0abf27db98cf · 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-2026-000072804
StatusPUBLIC

Content hashes

Canonical text349ab2fa8993c39879a02fadae718a3a28451a2631e3ee9e0504f65b8e9b2537
Markdownbb3e13d15d47702c7a259407de3c9f54aaf4742030f9fa0bed1d2b14c7b17302
PDF
Publication page6344014b059f8e6afb2c4c748038e905ce6dc34f18e78540fbf8489980df81a0
Manifestd9e31e9d8635decb51dc338bcdd3d4e0c64dabf32a323011bc46035c50b14888

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
SignaturebEi85N00Ty6RwTmCWXUetlNaPZVUCm2Ek9US8dwXxlsEnuHl7qrzpYl46w4NRawyV/VPgMFePuwuHHMw0eUNDA==
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

2026-09-17T10:22:43.061501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072804
observed 6344014b059f8e6afb2c4c748038e905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.044514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072804/manifest.json
observed d9e31e9d8635decb51dc338bcdd3d4e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.026895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072804/publication.md
observed bb3e13d15d47702c7a259407de3c9f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:43.008397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072804/publication.txt
observed 349ab2fa8993c39879a02fadae718a3a...
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.