OpenTechnical

OT-2026-000014821

Publication integrity record

Three cup vacuum gripper, three 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-2026-000014821) never changes.

Identity and time

Publication numberOT-2026-000014821 · never reused
Internal UUID01a0ae6d-d094-7f72-a6c9-785a7a44ed8a · 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-2026-000014821
StatusPUBLIC

Content hashes

Canonical text08c099b3a169961493cc441ecd6cd92282073aa844fc9f5ce068d81da82338e3
Markdowncb95e72f6f485d2f36c44abb0a8b3214f874e35b519bfc2a2d4b4fc5e30f2f94
PDF
Publication page2b9b550714d633f4708c708ca50c60f04413878f10d8b100701aad247530ee3a
Manifestf7bb57c7b8dba9b3452688d2055d76a28f3f36adb8678c315efeb45f7542c97c

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
SignatureGTFzHO3gPxqxcgZ9SY+EbSkkZWBhzL2IgIEfhmZ/Af3dKgfBAsYO9qpGwg/wSV2PwL3INJjPiQzpkNKhCRieAw==
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

2026-09-17T12:06:43.380419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014821
observed 2b9b550714d633f4708c708ca50c60f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.363229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014821/manifest.json
observed f7bb57c7b8dba9b3452688d2055d76a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.345189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014821/publication.md
observed cb95e72f6f485d2f36c44abb0a8b3214...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.325573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014821/publication.txt
observed 08c099b3a169961493cc441ecd6cd922...
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.