OpenTechnical

OT-2026-000032928

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000032928) never changes.

Identity and time

Publication numberOT-2026-000032928 · never reused
Internal UUID01a0ae75-4842-77dc-9455-2196f2bd5270 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032928
StatusPUBLIC

Content hashes

Canonical text81482638ec77ad85b33c8d4fb82e7b9837d27c6106c2ef9c5ef489f33e6ede5b
Markdown11a533f4b2e8bede99579b20e9a3a2edb9527221b50c619f788d5c30708e2c7c
PDF
Publication page0991abe421d6a7f269e12b46f4970100268ff3829dd997811e386602f6bd5a9c
Manifest2921b668844e3a505a6609e7082256d355d88d419d3e09693c09565718cf877c

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
Signature6MUl5J/WQOXpFPNBFWsQTxWax4Zcw5P/b8BAY36ytrZkstFTgjQ8/cmvWKZLhv+fSCxlWFWlILwjQIGXgBkqBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:32:31.488191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032928
observed 0991abe421d6a7f269e12b46f4970100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:31.470795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032928/manifest.json
observed 2921b668844e3a505a6609e7082256d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:31.451225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032928/publication.md
observed 11a533f4b2e8bede99579b20e9a3a2ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:31.429155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032928/publication.txt
observed 81482638ec77ad85b33c8d4fb82e7b98...
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.