OpenTechnical

OT-2026-000072745

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two 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-2026-000072745) never changes.

Identity and time

Publication numberOT-2026-000072745 · never reused
Internal UUID01a0ae92-89da-740f-9a4e-9be5624dab31 · 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-2026-000072745
StatusPUBLIC

Content hashes

Canonical textaf37d450b336666da79316d9eb7df4462315c2adbc5b9289d24c19a8cfd7af61
Markdownb9c07cd870d2531380de24e32cad042fa0e036e177c6471a8ef5c6cf17bb1ebb
PDF
Publication pagee7f8615fbc944d704ba1b4e81fb534faf8e6dc2bb0401ed1c54abd72a63b00d6
Manifest19b2f347993aeedcb77bc66f07c51f54ebd347893bfe951d876d9dd8c3fcfc88

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
SignatureKBmnwZEp1rhSye3yCwKcs0e3UmT3RoxKPxLqpoFU8kZNNQEI2QnKwOBlKj4zxcH1QnP9ViPFkaqCBWu+MhrlBw==
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

2026-09-17T10:22:38.992580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072745
observed e7f8615fbc944d704ba1b4e81fb534fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:38.976072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072745/manifest.json
observed 19b2f347993aeedcb77bc66f07c51f54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:38.958872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072745/publication.md
observed b9c07cd870d2531380de24e32cad042f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:38.940775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072745/publication.txt
observed af37d450b336666da79316d9eb7df446...
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.