OpenTechnical

OT-2026-000062251

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000062251) never changes.

Identity and time

Publication numberOT-2026-000062251 · never reused
Internal UUID01a0ae8c-0abd-7a0d-85ef-e2ae0d51e6d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062251
StatusPUBLIC

Content hashes

Canonical text8dd9e8c7761cd11af88abacf83913c37e9f6c91356dff32e374c3eb8a36db3fd
Markdown904d05d8ccdf7aa5ce780164e8f1666cb890cb84be842ca953457aa1b719bc45
PDF
Publication pageb8b7774ade0367ab8a3ec4cb792df26d1223bc5547361fe51d8977f43838d1b8
Manifest0ce55f084c1ab9d11652aeee952f32669aba1ef98b25e01a3d647ada0805bfaf

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
SignatureH16ZTTNfhYFjzeBID79nLkfM71b7KKO1Y195Gj0kr+u0PrsQVZ4ysxMay8iCitCjl5iS70VdTFhbOCrL0kmNBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:31.776982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062251
observed b8b7774ade0367ab8a3ec4cb792df26d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.760127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062251/manifest.json
observed 0ce55f084c1ab9d11652aeee952f3266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.742634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062251/publication.md
observed 904d05d8ccdf7aa5ce780164e8f1666c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:31.723255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062251/publication.txt
observed 8dd9e8c7761cd11af88abacf83913c37...
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.