OpenTechnical

OT-2026-000012390

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000012390) never changes.

Identity and time

Publication numberOT-2026-000012390 · never reused
Internal UUID01a0ae6d-39f6-70c9-a5fa-a076234051a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012390
StatusPUBLIC

Content hashes

Canonical text2beefdf05e0f7190180eb2bd31cfb785e01cd2b85210976db40e0436c5095835
Markdownc2051da26fabc464efc757de365c609b0e6fc124c4046cfd625541b40ecd894f
PDF
Publication page412082e94dab7930719552733fad909d2c9f62cc12cb4b0cbf4869a663172b6d
Manifest47c2a53036b9abe40c720e15a4363dfb94296f0b4d45c697414a6c63778a8952

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
Signatureol2hbbus3aWE1P0gRKTXIqTWunaDxBndab/uQNPLkaepiqBkF6SWv1tKP/li3h6Xkm6HGPeQEVDr4SFY7rTYBQ==
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

2026-09-17T12:11:52.792556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012390
observed 412082e94dab7930719552733fad909d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:52.773899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012390/manifest.json
observed 47c2a53036b9abe40c720e15a4363dfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:52.745589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012390/publication.md
observed c2051da26fabc464efc757de365c609b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:52.717437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012390/publication.txt
observed 2beefdf05e0f7190180eb2bd31cfb785...
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.