OpenTechnical

OT-2026-000073933

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000073933) never changes.

Identity and time

Publication numberOT-2026-000073933 · never reused
Internal UUID01a0ae93-2b8e-717c-92e0-52e2a5a53200 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073933
StatusPUBLIC

Content hashes

Canonical text7ac0e34a863ca50bc748220c89c603b7a5c3965764d6b975a132fa65a24c97b6
Markdown9873c0064ce40a0948352cdbc9457d250d121126a5a0ea1fdbac4ab6bfc9bd8b
PDF
Publication page67ef0e14c3455c8caeb8bd0a241ce6914ee93e6231db5f6003b524a7eca39d40
Manifest0f5f3b9277211742c50451bb7dde5ef5ddc2063d58b0e891342c489996c05465

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
SignatureuawTUjFQqdPtptdC0Tj3/sMwb92ZdHVKrl0p1XB52fIhtCPuBTkBwNFvvuf2QAPoCFRarGNbsh+NDPGXzki0Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:12.997448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073933
observed 67ef0e14c3455c8caeb8bd0a241ce691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.980228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073933/manifest.json
observed 0f5f3b9277211742c50451bb7dde5ef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.962456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073933/publication.md
observed 9873c0064ce40a0948352cdbc9457d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.944513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073933/publication.txt
observed 7ac0e34a863ca50bc748220c89c603b7...
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.