OpenTechnical

OT-2026-000066738

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000066738) never changes.

Identity and time

Publication numberOT-2026-000066738 · never reused
Internal UUID01a0ae8e-ce42-7824-ad4f-6cf000db0a35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066738
StatusPUBLIC

Content hashes

Canonical text99fb1304045b06842c42cf82e0150d66638ccc217d030e6a9a5668c5f3e33a1a
Markdownf992ea121b6315ab66d2e373fc95ed819e9d846907e3cb2bfe7b411bcc9090b6
PDF
Publication pagecb13e679698d00f93f76553ac254cc3421a3bd2c67eb750e08fbe3cdbc486954
Manifest4cd47157edf8aff20df1252f3951ccc76c68f0d735779f3cdca007842963c115

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
SignatureP5h5pu7BvBN7ooL1SM4rMUqJgrZ7CibI2X00JFLhV6DWBLnlLdQtbw0bnSMO5n1I05sx49vH02+9NUwIlxIRAQ==
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

2026-09-17T10:33:08.838303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066738
observed cb13e679698d00f93f76553ac254cc34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:08.819966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066738/manifest.json
observed 4cd47157edf8aff20df1252f3951ccc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:08.801192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066738/publication.md
observed f992ea121b6315ab66d2e373fc95ed81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:08.782010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066738/publication.txt
observed 99fb1304045b06842c42cf82e0150d66...
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.