OpenTechnical

OT-2026-000014750

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000014750) never changes.

Identity and time

Publication numberOT-2026-000014750 · never reused
Internal UUID01a0ae6d-d093-790f-ad79-7590dd3f42f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014750
StatusPUBLIC

Content hashes

Canonical text15564c8f48b42fd284dcfb060550359eb6a967e8f6f43e912b52851bb02164a3
Markdown2c17f7ce633786199ff6b22b33fcc919b4faa40902c85990406d884417a6cb57
PDF
Publication paged6d359ce05b43cf142467722254d979862f0fb392b1c84f99ce1909c66b8933a
Manifest689b7efa559cb2492fa57a2f8a89adca1b2ca535585df88591911ae624f04d1d

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
Signaturer2rjbde86uDlq2fOK+RukTq7ZPJf7Haelhp2pHFRVFiH0wLzpoXcto7CL6KPx4XluImLbCW1z0X68hPuMAW0DQ==
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

2026-09-17T12:06:37.852271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014750
observed d6d359ce05b43cf142467722254d9798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:37.835227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014750/manifest.json
observed 689b7efa559cb2492fa57a2f8a89adca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:37.817937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014750/publication.md
observed 2c17f7ce633786199ff6b22b33fcc919...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:37.800159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014750/publication.txt
observed 15564c8f48b42fd284dcfb060550359e...
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.