OpenTechnical

OT-2026-000101250

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000101250) never changes.

Identity and time

Publication numberOT-2026-000101250 · never reused
Internal UUID01a0aea3-c379-7968-932f-55923fb1e767 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101250
StatusPUBLIC

Content hashes

Canonical text2b5d6d1b5374e0c0a089d0da5409b4764c3eed5e8368c028e5a0ef457e66d82d
Markdownf8c782eb2a6e78a393365aec6aa6c121140c5f5266d3dc1af3a0757241fd0cc1
PDF
Publication page72ece46069257ed68bcc904651ae477b762726acab495da6089afa82feb38aaf
Manifestfe585d21bc798da0d7c484ce1d29782250bde436d96cd0a9012a54eab7ef13f2

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
SignatureColvbz6JV6XWHm3t2shtTdxHjFtPT0GOeFMe0d1w9SIBvpIRAbH7nKfxFmNw2P1LKDrbAKPC+7NoyRCXw00vDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:54.742844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101250
observed 72ece46069257ed68bcc904651ae477b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:54.725386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101250/manifest.json
observed fe585d21bc798da0d7c484ce1d297822...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:54.707748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101250/publication.md
observed f8c782eb2a6e78a393365aec6aa6c121...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:54.689915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101250/publication.txt
observed 2b5d6d1b5374e0c0a089d0da5409b476...
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.