OpenTechnical

OT-2026-000077703

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000077703) never changes.

Identity and time

Publication numberOT-2026-000077703 · never reused
Internal UUID01a0ae95-2ecf-7094-83e2-356cc872f879 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077703
StatusPUBLIC

Content hashes

Canonical text0cd965187c64c1589b09d5179488f0c5e47b98c872159f3693fc918b9e75ddde
Markdownf75e2054ec310fe23da80bb1618e1b1d4dae7c0ced56a7447b99760308030c95
PDF
Publication page8fa7bb1607667d49b2a57962be331d0b7aeac2c7277a3b1182cbfa50887ae9eb
Manifest6c67351a5d8571b0c0d40c8c2bfc80ca15df3401a1c335f1a81730b86f114713

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
Signature0pwMUf/ENGjfx44Jh+uCFSL/NXRHeC8p3t8RuzaaCpPr7PeAD5aMLfceV6De5aW6PnuiZoaukHiy8BQqLTvoDQ==
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

2026-09-17T10:07:16.612501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077703
observed 8fa7bb1607667d49b2a57962be331d0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.593956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077703/manifest.json
observed 6c67351a5d8571b0c0d40c8c2bfc80ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.575549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077703/publication.md
observed f75e2054ec310fe23da80bb1618e1b1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:16.558027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077703/publication.txt
observed 0cd965187c64c1589b09d5179488f0c5...
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.