OpenTechnical

OT-2026-000045490

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000045490) never changes.

Identity and time

Publication numberOT-2026-000045490 · never reused
Internal UUID01a0ae7c-f76d-7209-b251-f68de02bd853 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045490
StatusPUBLIC

Content hashes

Canonical texta99df251b4f288f150971258b6d04aff733ec74a19c30421c054b14adda47f93
Markdownf99fb86c68d887d5cf11dcd9d3ca431d760fbcc96b7555105fe1522c04125e00
PDF
Publication paged16d8361aebd91bb8f717589c476694dc5f3d687b4cef0770e4c43e20b15e92a
Manifest1c55aaff3f7581787fa63fe88f484547ba86eb9a5d1564dae10ddcc06081009f

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
Signature32e4wzM/NT8D0ZLs0kdJw0sVQS/dLiyDs77uhB18ItPGhTEMOI06YSAT0gz8Gtx4EQZmpKOYkoactVW/D8OpBw==
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

2026-09-17T11:11:18.335889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045490
observed d16d8361aebd91bb8f717589c476694d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.317729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045490/manifest.json
observed 1c55aaff3f7581787fa63fe88f484547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.300907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045490/publication.md
observed f99fb86c68d887d5cf11dcd9d3ca431d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:18.279752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045490/publication.txt
observed a99df251b4f288f150971258b6d04aff...
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.