OpenTechnical

OT-2026-000056067

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line 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-2026-000056067) never changes.

Identity and time

Publication numberOT-2026-000056067 · never reused
Internal UUID01a0ae87-0a4b-7179-baa7-b9eb40c6904a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056067
StatusPUBLIC

Content hashes

Canonical text62a21fc97dd74de748cde60a89e95202476cebe90eca0d5ce23c2c1b1bc37d39
Markdownd5092cc85b8ff5b9b59c6edb7f01eefb668f0566bad9c1fb62fda19a6694504e
PDF
Publication pagedfd1235deec91d9f83e2cb7edf9554182e141cc4abf7eae643be05b5be2f6018
Manifestc162c91e7fb5afcce9c74636cc722c6cec545778a42aa19d5226d372eb5d032f

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
Signature3uyX+DQfkFRqgfXZkqKAJoWJORPoTy/Rkt5VVuqyiW170t4xFdMvrA5leDQlH5fYuDsOV4UwIChGX9E9BzvMDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:36.217651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056067
observed dfd1235deec91d9f83e2cb7edf955418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:36.199743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056067/manifest.json
observed c162c91e7fb5afcce9c74636cc722c6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:36.181649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056067/publication.md
observed d5092cc85b8ff5b9b59c6edb7f01eefb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:36.162118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056067/publication.txt
observed 62a21fc97dd74de748cde60a89e95202...
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.