OpenTechnical

OT-2026-000034067

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, 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-2026-000034067) never changes.

Identity and time

Publication numberOT-2026-000034067 · never reused
Internal UUID01a0ae75-df0c-71c0-b60f-f914dd4b4abf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034067
StatusPUBLIC

Content hashes

Canonical texte812ea74e97e28b7ab900e999fdef77fb186ee536c5ba03cf2db06e60755f682
Markdown973164edb68e22643f0b3348e8557cdae28994959b1a73685a69969723c0e053
PDF
Publication pagee7421b022da9a278ca00124d5dbf59c6c0155481e7301ab8da4294d6df6f0200
Manifest660d839b0f7846133f8da00da441086d0440737a2015d424bd04721eef967524

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
SignatureRx4UR7+0IGYszeqkg1gUPFkhQYh+hb0PmjFJ48I8g759izQd7LoyGII2AglgWcLfszDr49GZEylyjV2tQ70DAQ==
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

2026-09-17T11:30:18.788074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034067
observed e7421b022da9a278ca00124d5dbf59c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:18.769314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034067/manifest.json
observed 660d839b0f7846133f8da00da441086d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:18.747747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034067/publication.md
observed 973164edb68e22643f0b3348e8557cda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:18.727111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034067/publication.txt
observed e812ea74e97e28b7ab900e999fdef77f...
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.