OpenTechnical

OT-2026-000100621

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000100621) never changes.

Identity and time

Publication numberOT-2026-000100621 · never reused
Internal UUID01a0aea3-66f2-765d-b6fb-26526d5aae88 · 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-2026-000100621
StatusPUBLIC

Content hashes

Canonical text75c455ae4cfdc9d8c706012e972112bd26372a51c66c528fd76fbd9f75095262
Markdowna9fc23d1efab1af5ef879e6e42942de10bd45e26e4eac4bc30a8e7b4ca25fe5d
PDF
Publication paged5146e222b47c073d705d4d0a1800fa0c3ba4e72db27894d74879d33f608f039
Manifest81ee8c5900eadaef0823114cd999f4fd57ab514f0e84c4af91a177cf3248abd7

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
Signaturebocx6Paw37VgrHbCMBKdud0PcXbjtdIqbDsjLzRatLE03rrV56AtbU1Fr138LPE2qB7zOO8rrducrGiOwxWiDQ==
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

2026-09-17T09:27:25.145832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100621
observed d5146e222b47c073d705d4d0a1800fa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:25.126983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100621/manifest.json
observed 81ee8c5900eadaef0823114cd999f4fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:25.107995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100621/publication.md
observed a9fc23d1efab1af5ef879e6e42942de1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:25.088887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100621/publication.txt
observed 75c455ae4cfdc9d8c706012e972112bd...
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.