OpenTechnical

OT-2026-000043848

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000043848) never changes.

Identity and time

Publication numberOT-2026-000043848 · never reused
Internal UUID01a0ae7b-d677-7235-86a8-4b89c12de3a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043848
StatusPUBLIC

Content hashes

Canonical text43f35f3daa6d102f07c23e8cba24f7407515ce003dc7788c890a0a756628b0c3
Markdowne3e724422cbff9c6c4a0bc406c1dd88f7e787f602f533d7470aa2da2a91efc92
PDF
Publication page082dc94c522a88949a285368a8e12c69b806aca92f3429622a11d48333e6c6ed
Manifestcb94c0736643c543223278b6f2a68b9a0fb40761217de4e188f25ef3d1ca1d19

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
SignatureG9ir3j78bYkaLWl4Rw/Vc+tO8gWATMKUyn4zoCK5Y1CsQF6lA4+oTJBrn4/SV/DyAKjc7CFU0kIDbeY+UMuSAA==
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

2026-09-17T11:12:09.890099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043848
observed 082dc94c522a88949a285368a8e12c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:09.871746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043848/manifest.json
observed cb94c0736643c543223278b6f2a68b9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:09.852827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043848/publication.md
observed e3e724422cbff9c6c4a0bc406c1dd88f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:09.833813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043848/publication.txt
observed 43f35f3daa6d102f07c23e8cba24f740...
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.