OpenTechnical

OT-2026-000045203

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, 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-2026-000045203) never changes.

Identity and time

Publication numberOT-2026-000045203 · never reused
Internal UUID01a0ae7c-f769-73d3-a420-3d2adac97cfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045203
StatusPUBLIC

Content hashes

Canonical text3562af8eb46a29fd363c27c141fc051a60b47f0c5d452a78141c8d6628912366
Markdown5ff3dd29562d53c74723de1d0168cb05b976f56874b61d1243c62e0e6b4330f8
PDF
Publication pageb590055018e30d4d8ad65d7c058283e063312e5d397395bdb49b4866296cad32
Manifest3e95136169d338bbe959d7dfd75c68754eb4b51b1f802317d0fb571fdcedce88

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
SignatureZY+YcUAg18Gt4sy1YkCjD2x6aF6twZaol+sA4nZPrw2PLO5CCo2PgBo6SNYXu4lQQH52kjDaw5zBbjn5JAOtDg==
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

2026-09-17T11:10:23.124943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045203
observed b590055018e30d4d8ad65d7c058283e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.102392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045203/manifest.json
observed 3e95136169d338bbe959d7dfd75c6875...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.080335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045203/publication.md
observed 5ff3dd29562d53c74723de1d0168cb05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:23.058946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045203/publication.txt
observed 3562af8eb46a29fd363c27c141fc051a...
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.