OpenTechnical

OT-2026-000100633

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000100633) never changes.

Identity and time

Publication numberOT-2026-000100633 · never reused
Internal UUID01a0aea3-66f3-780f-bf76-a99042a81c5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100633
StatusPUBLIC

Content hashes

Canonical textb0568add00806402d00f5d9804c6b842c741544fc04342a4db7ae4ca21f54524
Markdownac2d8914efb8171645ca2168ab4f75157b9dc6675b3f43757d731062e41594ca
PDF
Publication pagea89bcf9b5191201aadd3762ecddc56d88d24e1a8235b28e0503a4aa896514b68
Manifest3e044fd38c241eb86dee0c490f61ca7c017a340be61675fd76690d920bbb4dc2

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
SignatureGwzP0z1oGfgc8M+jHLsjMdrNXlJ9zUIWV2qszZ4nMpzeikaLbCkw/1H0QRYYV+3jFaRJBxOwQ5dAoOy73gFsBg==
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

2026-09-17T09:27:26.043643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100633
observed a89bcf9b5191201aadd3762ecddc56d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:26.026257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100633/manifest.json
observed 3e044fd38c241eb86dee0c490f61ca7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:26.009682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100633/publication.md
observed ac2d8914efb8171645ca2168ab4f7515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:25.992942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100633/publication.txt
observed b0568add00806402d00f5d9804c6b842...
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.