OpenTechnical

OT-2026-000073885

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000073885) never changes.

Identity and time

Publication numberOT-2026-000073885 · never reused
Internal UUID01a0ae93-2b8e-7678-a9a4-33e0bc5ccaa1 · 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-2026-000073885
StatusPUBLIC

Content hashes

Canonical text546847ba56f0edd3bcb63e7ad63fdcf2d3082e6113e141994eebdbc5b70eaf87
Markdownb8d1c116fae0c6d7dea5b6b90a90e24547bef22fb6cde45c81e842695dfff29c
PDF
Publication page9a15eba5820063e4351a2cb7eb05badc01d644fbf1d0b4138ca41c6ec3395c17
Manifest073df6d1798782e57aebee13da840e19cb596b13033e5cc53b948131c5e86b9f

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
SignatureSwlsalQ5zmfZp+fEQ7Y5GrBca6eeWoyCkZGxwlyZdZ7S560S8c+rzKBAkx2N99VwNGagwDqcyyJrSykU/s3ODA==
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

2026-09-17T10:20:02.185496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073885
observed 9a15eba5820063e4351a2cb7eb05badc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.166629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073885/manifest.json
observed 073df6d1798782e57aebee13da840e19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.148420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073885/publication.md
observed b8d1c116fae0c6d7dea5b6b90a90e245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:02.127926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073885/publication.txt
observed 546847ba56f0edd3bcb63e7ad63fdcf2...
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.