OpenTechnical

OT-2026-000046499

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000046499) never changes.

Identity and time

Publication numberOT-2026-000046499 · never reused
Internal UUID01a0ae7e-57dd-7b30-b144-37051ef6e995 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046499
StatusPUBLIC

Content hashes

Canonical textf31b25be58bdd39f430571784205dc8ae2cd2c278aff8af59b0d7bbc72fc98a2
Markdown95a820d912f7953be50922df428e198c4858910e7a501a08f4932aa66dea3dd8
PDF
Publication page53cc9e79f45b1139cad0751301a5bb03cddde3c84f1481b484803d7bbe9b781b
Manifest30c83eb5d351655a1ff7726e9ff9a08e0cc6eea90ff935e1b7cce60d8a42d419

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
SignatureM+nz9bx8qJPtMWGwrxtOpYRJBBC4ltQEpCA0bNy52B4bypVWIMOqAEtzwHHVTThXJXA0kHv95G/l7CDR5FyyDg==
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

2026-09-17T11:08:32.349389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046499
observed 53cc9e79f45b1139cad0751301a5bb03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:32.329535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046499/manifest.json
observed 30c83eb5d351655a1ff7726e9ff9a08e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:32.311553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046499/publication.md
observed 95a820d912f7953be50922df428e198c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:32.293047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046499/publication.txt
observed f31b25be58bdd39f430571784205dc8a...
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.