OpenTechnical

OT-2026-000014628

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off before set-down

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-2026-000014628) never changes.

Identity and time

Publication numberOT-2026-000014628 · never reused
Internal UUID01a0ae6d-d093-7b99-94d3-64e634aabb4f · 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-2026-000014628
StatusPUBLIC

Content hashes

Canonical text1f4dfb3a1d11704e7c6b26e70f1cce3b125cc173759be660a5873225380cdf56
Markdown4605896d8e15a4b43af7373a087081d1c8f2e0f7f43229e820e39822731c3319
PDF
Publication page5fe927e846a475c7dcdfa629d6b52d1c516dfbb308f2d469a4893ca7135d6716
Manifestc1c0c3e32922f7ad0103d3a0d7faa9687c5064697c101b2b1d3efbc706cdc1ef

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
Signature4pwvPvxObxVrcjybqdpt+cFUPdw+QJUaVTbj8C0k9m9qIl6fGno62ylBzr4CRKvpDf5YjFbkzmIcr58QrYtwAg==
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

2026-09-17T12:06:26.596526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014628
observed 5fe927e846a475c7dcdfa629d6b52d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:26.576621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014628/manifest.json
observed c1c0c3e32922f7ad0103d3a0d7faa968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:26.555809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014628/publication.md
observed 4605896d8e15a4b43af7373a087081d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:26.536626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014628/publication.txt
observed 1f4dfb3a1d11704e7c6b26e70f1cce3b...
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.