OpenTechnical

OT-2026-000071653

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single 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-2026-000071653) never changes.

Identity and time

Publication numberOT-2026-000071653 · never reused
Internal UUID01a0ae92-1e91-70a9-b8a6-c2ece644a3f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071653
StatusPUBLIC

Content hashes

Canonical texteea1586ba4ea398187c7bbcd54e9a6a4c0cbc304b643bd7c2b755655f829fb6c
Markdown3e231b7f498a757e79272fdc95531df089615ad5d258ee68cd7a15026c801123
PDF
Publication pagefe5651134e5a1a9fe7fc935aa079359a77ed5199201abeea8fa4d9bf0fd14ddc
Manifestf7c1d5b14258de9252dacc6b8fd096e12b3492dc86e445ea453d73897b56d90f

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
SignaturevjoAtTAVY589PN3BV6sTlof1Q20nmf9Pz2oXKJyzYBY3SYHUGOA4DyBWV1gVsG9f3zngz1xZidpLBfa2HW7zAw==
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

2026-09-17T10:23:41.214677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071653
observed fe5651134e5a1a9fe7fc935aa079359a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:41.195513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071653/manifest.json
observed f7c1d5b14258de9252dacc6b8fd096e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:41.176913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071653/publication.md
observed 3e231b7f498a757e79272fdc95531df0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:41.160007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071653/publication.txt
observed eea1586ba4ea398187c7bbcd54e9a6a4...
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.