OpenTechnical

OT-2026-000022308

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000022308) never changes.

Identity and time

Publication numberOT-2026-000022308 · never reused
Internal UUID01a0ae6f-f4fc-7ba2-86cf-53c7934a439e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022308
StatusPUBLIC

Content hashes

Canonical texta5d82260d3e0ab922540dd6a5ea501001de246d3ed7edb6b9c37ae1af72a6d62
Markdownc89fe0d531323d3c4e2e3d54eb8e8924d350f0f8dc573de4710c7bebdbc4e296
PDF
Publication paged59dc9f46a776435049ccb795f33768aabb1fc97db1e4ffd59987d1c1a2f62a8
Manifestff07cdece783ffb58d7dddb6a0ff4a0d8b6b203962f6cd3ef76e4303e78d3b23

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
SignaturePAAjnbClrIcnr14k8jvmHe7iER/DnTIMsZrFUUcHf3azTqLuEldy2oLDNlCcesxApp0x1+iDfs5O/JTNvA+MBQ==
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

2026-09-17T11:53:40.017869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022308
observed d59dc9f46a776435049ccb795f33768a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:39.999945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022308/manifest.json
observed ff07cdece783ffb58d7dddb6a0ff4a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:39.981587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022308/publication.md
observed c89fe0d531323d3c4e2e3d54eb8e8924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:39.962955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022308/publication.txt
observed a5d82260d3e0ab922540dd6a5ea50100...
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.