OpenTechnical

OT-2026-000054783

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000054783) never changes.

Identity and time

Publication numberOT-2026-000054783 · never reused
Internal UUID01a0ae86-1285-70a0-88d2-8371006fc0f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054783
StatusPUBLIC

Content hashes

Canonical text9c5ee217961cce9d470e8dae72b95cabf298745fbbaf0c67506a3ffcbd1b89b4
Markdown90e45fc9667ec5c39861e0b328d3a5bd17442348a879fb38cfde1cd2089ab309
PDF
Publication pagee8724fc193f4d0cbfa30b7eb0b988226032faf9f58a821680715f3cad7517e19
Manifestf2ba7652cd972073f5282f1e6f5586f485b70ecdba81ccfe176a5d7866fffc39

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
Signature34leHeKsmeOHPqCSCK0KXe+YjAmarV1G3+gSaXbHl8iz9KEbB6o4fZHO6inIz8SQ7iuhyHP3b8hUbbwUMWmdBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:58.821026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054783
observed e8724fc193f4d0cbfa30b7eb0b988226...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.804477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054783/manifest.json
observed f2ba7652cd972073f5282f1e6f5586f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.786252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054783/publication.md
observed 90e45fc9667ec5c39861e0b328d3a5bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.767990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054783/publication.txt
observed 9c5ee217961cce9d470e8dae72b95cab...
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.