OpenTechnical

OT-2026-000078575

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two 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-2026-000078575) never changes.

Identity and time

Publication numberOT-2026-000078575 · never reused
Internal UUID01a0ae95-7c29-7062-b1d2-55c96dc08f63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078575
StatusPUBLIC

Content hashes

Canonical text128c919e44e0317db33d963d056a4fa274249271fed196859366966127f9f18b
Markdown9882b946de8709afebb64f84005f3c87dffa62bc0addffe9dd5370df5579c33a
PDF
Publication page72cc3f254a8956e35eea2e6d86c05cd1fa3faa46f675b10b10b03e59f692f85e
Manifest080e86439ff81d29e6b14020f376c9ae860aff7f16f1f5b79bce2c7a8a1af9b6

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
Signature09w0NxBpQ4EwtcViUIk+bddAN1LF7qUnM1PiMXEByduPtwxZgw03AqdsVIqO6LsMVU4TU9HzSFrJ/sJm92TxAw==
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

2026-09-17T10:06:35.988152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078575
observed 72cc3f254a8956e35eea2e6d86c05cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.969784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078575/manifest.json
observed 080e86439ff81d29e6b14020f376c9ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.948048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078575/publication.md
observed 9882b946de8709afebb64f84005f3c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:35.926897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078575/publication.txt
observed 128c919e44e0317db33d963d056a4fa2...
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.