OpenTechnical

OT-2026-000007173

Publication integrity record

Porous face vacuum gripper, four zone face, ejector fed, 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-2026-000007173) never changes.

Identity and time

Publication numberOT-2026-000007173 · never reused
Internal UUID01a0a975-5667-7a80-8245-fce45c6ca102 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:03:54.473896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007173
StatusPUBLIC

Content hashes

Canonical texta57e2e1afb8052b5efc10d0eb0742e84c81d82f678cd8b1438a61b8ca2bb7804
Markdown6b6a4492dda3ff2218c6d0353f57f26ca68e095067727a3836f795c24704859e
PDF
Publication page84335ef4b19a07a833193f63e226ea53294112de65f35ad5e50240d585084bdd
Manifestc3c161ea136e761923775bcc446bf855431a74b3d99704a535efbb890d3faeaa

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
SignatureBcpWjAJstjFohDvPGdXAaQD6Hiti8BYcc+T5exD+861CVnJ8ts+gQccRldumEnUIpbBdcwAN3W8GrlgRyII4AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:19.245735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007173
observed 84335ef4b19a07a833193f63e226ea53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:19.232841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007173/manifest.json
observed c3c161ea136e761923775bcc446bf855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:19.219266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007173/publication.md
observed 6b6a4492dda3ff2218c6d0353f57f26c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:19.205719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007173/publication.txt
observed a57e2e1afb8052b5efc10d0eb0742e84...
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.