OpenTechnical

OT-2026-000039631

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000039631) never changes.

Identity and time

Publication numberOT-2026-000039631 · never reused
Internal UUID01a0ae78-d8d4-7613-a7d8-7c03451fbc27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039631
StatusPUBLIC

Content hashes

Canonical textca5e1bb1c924139a477ef832eac8231726236f4412bd0f7592583abc07657060
Markdown7c83933dbae686013ab7f22a4abebb5029e3f6534bb110e3f1a356ade1df5f23
PDF
Publication pageb8c720a5bbeee2e2a49284803ef66a4a115f1eb352d23e461db1b0d59769776a
Manifest75c925c5e330af663e5d7ba21537aa923da4490063e8285f6e1592fbb4f90e35

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
Signature55U4QsDIZxmK9zIj7bBepCfFf+NmPOyD0Cmj2Wkq1m8tw0xEOg8S1F6UN4XPcEPbU/EnMwYr8+Hl2tNsuznVBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:48.226495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039631
observed b8c720a5bbeee2e2a49284803ef66a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.209792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039631/manifest.json
observed 75c925c5e330af663e5d7ba21537aa92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.191840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039631/publication.md
observed 7c83933dbae686013ab7f22a4abebb50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:48.175292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039631/publication.txt
observed ca5e1bb1c924139a477ef832eac82317...
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.