OpenTechnical

OT-2026-000100990

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000100990) never changes.

Identity and time

Publication numberOT-2026-000100990 · never reused
Internal UUID01a0aea3-c377-75c0-ba4f-f9f65d59c1aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100990
StatusPUBLIC

Content hashes

Canonical text7b41e42447135948b4d6974f66f28794dd3d71e07a94316cb99e11049369bdde
Markdown94517b9c48ff33d006fb2014a148abf30ad7b1b66ecb7372f54d03983405ffec
PDF
Publication pageb129e376557ba144e270c8316c1cbc54e3182f1738db6c7602bd3907768ae712
Manifest527dcd7e8b83c1e9f2503cc2c55e11dbe7b75ee1c7f6c59742bc78298cbb46ff

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
Signaturei4dLOenP2ifoLZlPo3tFR7qWgZPU9Rdoo6G8nE65G7ofCXUM2EnK0R/Gg3dcWga7kwymOKVl7MvHxJzEg87XCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:35.302248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100990
observed b129e376557ba144e270c8316c1cbc54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.285997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100990/manifest.json
observed 527dcd7e8b83c1e9f2503cc2c55e11db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.268851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100990/publication.md
observed 94517b9c48ff33d006fb2014a148abf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:35.252658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100990/publication.txt
observed 7b41e42447135948b4d6974f66f28794...
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.