OpenTechnical

OT-2026-000067857

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000067857) never changes.

Identity and time

Publication numberOT-2026-000067857 · never reused
Internal UUID01a0ae8f-c4fb-78f9-aa5d-43c99f35d1b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067857
StatusPUBLIC

Content hashes

Canonical text1ef354243628bcda4c85397158ada473a3ef1112b810fc2e0f7afa39ef3cd686
Markdown8593373afee6af48a95dd1c51feb4f14c8ed69b4331c3b8ddf0a34e22c976d67
PDF
Publication page9fd7382e8db273096a893eddb6da19401572d01ec2088561fbe16a44da85d8c0
Manifest51aa4d97e5f5345fa2ff19dc85a032f43a6267fd6df1c1cd77a004e888068d95

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
SignatureOD4QuTz0XvYOVu6QEf5NfWXbfbU96msa7QA+p1wkQzzVPS62xD1MP/0MCrpCq0zvqu7T4k6UqddC8MBHlig9Bg==
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

2026-09-17T10:30:14.044030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067857
observed 9fd7382e8db273096a893eddb6da1940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.024401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067857/manifest.json
observed 51aa4d97e5f5345fa2ff19dc85a032f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.004266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067857/publication.md
observed 8593373afee6af48a95dd1c51feb4f14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:13.904965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067857/publication.txt
observed 1ef354243628bcda4c85397158ada473...
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.