OpenTechnical

OT-2026-000031822

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000031822) never changes.

Identity and time

Publication numberOT-2026-000031822 · never reused
Internal UUID01a0ae74-bad1-7c15-9ff4-46ff8861ad2f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031822
StatusPUBLIC

Content hashes

Canonical text2c9d6d2b4963d87a7023ef20b9e9c8e872f47db04bc1f51f3aca58c36cc10a74
Markdown8e16b5b3dec1e535eb8c401e54644b61d018de51adc7fa8217a1f27fac5163d1
PDF
Publication page45f00ec49431fb7875326c17e576f6eeef4c7e6514ed66d209ed12ff9472350a
Manifeste4558cee28e6ebab815f3e809f58b21180cd61bf243804b50d549044e010a886

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
SignaturenFNfqy87Hjt4GKBCVK2Z3UAI0qcH5hnIeTH5sFDJ/vpqFsRYEkM6jNNziDSwWtbmTGeOg6bZIKwkyQaBklpqDA==
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

2026-09-17T11:35:03.306795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031822
observed 45f00ec49431fb7875326c17e576f6ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:59.250835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031822/manifest.json
observed e4558cee28e6ebab815f3e809f58b211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:59.234963ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000031822/publication.md
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:59.215459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031822/publication.txt
observed 2c9d6d2b4963d87a7023ef20b9e9c8e8...
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.