OpenTechnical

OT-2026-000012514

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000012514) never changes.

Identity and time

Publication numberOT-2026-000012514 · never reused
Internal UUID01a0ae6d-39f7-74f9-aada-ee60f0984589 · 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-2026-000012514
StatusPUBLIC

Content hashes

Canonical text7bb4df880ddb4d1bd492e35b81dd2b09e965583fb6a4f394a28181c4207f972d
Markdownfdb43a3789e20d26d5b38362db3746bd315ff15fd2dc1b247f6ff826acfbee9c
PDF
Publication page911b894b3bc2d1391776c46ee863dde60f3562beeadc7fecd71777b2627c1a4d
Manifest1e019397f3de727e4ee4d7cc19ea333cc7e7c1da5d96bef6a19e5ae5732d1aa1

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
SignatureXHpqRHiUOVnD80J2OgcUAtYcuY8ba0PGBWrLCRYIijc9P5Ce+IgzDYjjkEjpHH8+DplF3ICkXOeflkUwTz0vAg==
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

2026-09-17T12:12:02.214892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012514
observed 911b894b3bc2d1391776c46ee863dde6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:02.197347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012514/manifest.json
observed 1e019397f3de727e4ee4d7cc19ea333c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:02.179329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012514/publication.md
observed fdb43a3789e20d26d5b38362db3746bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:02.160839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012514/publication.txt
observed 7bb4df880ddb4d1bd492e35b81dd2b09...
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.