OpenTechnical

OT-2026-000077425

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000077425) never changes.

Identity and time

Publication numberOT-2026-000077425 · never reused
Internal UUID01a0ae94-f509-70fb-87da-d48fefb598a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077425
StatusPUBLIC

Content hashes

Canonical text820e863f10c3e259fecb1d0b415f91a99d761c0706e4e4a90db29a0a3fb3f2ba
Markdownb4f18457395b9398fa2b334bfd0cb623e105892a6793a9c84cb91a7c86f940ad
PDF
Publication page74f6f1074b40477f250cf1ffb5d7d792cd2f2e818595b6ba21476c12aa1f3cc2
Manifest3a450e9aacb1ab511ddfde746a9aff0474203ea4a9897f7c19849691fdb7f101

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
SignatureHwdyHZN7jvcSXRZ/1qcSWt8n47aDeFhGkd6PbK0Tx2iSba0aMM/XVaFNRTsVNoT5yNPUSMHOvGdnkGBe9E9RDQ==
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

2026-09-17T10:09:04.553244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077425
observed 74f6f1074b40477f250cf1ffb5d7d792...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:04.535866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077425/manifest.json
observed 3a450e9aacb1ab511ddfde746a9aff04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:04.517467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077425/publication.md
observed b4f18457395b9398fa2b334bfd0cb623...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:04.500086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077425/publication.txt
observed 820e863f10c3e259fecb1d0b415f91a9...
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.