OpenTechnical

OT-2026-000099272

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000099272) never changes.

Identity and time

Publication numberOT-2026-000099272 · never reused
Internal UUID01a0aea2-8289-72b8-be50-970ac15e6c3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099272
StatusPUBLIC

Content hashes

Canonical text700a02291d71dbada05fa9561e55b68203ca35668e164aaf2f8735237ada913f
Markdown7bc1f70e515b08ff3c30a1cfb20aee6e2db564feec2aaa22ff37e620feb7e37d
PDF
Publication page2a629b1cf3f74fbb32552fbe456b2342150e9f53f65262b3ce7f80165a978740
Manifest05ce750f020b2fff3014fbc52973e662d78c9a5bc19e083e3ee60bdf1c67e51e

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
Signature6wK08i4xvOG6bbDXzvtg12Q+VMdgGUwQI0UX1A0wuf9P9vwS7EeZolppRaknTAKlvVL1s1fwziiS8OEbaNSkDQ==
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

2026-09-17T09:30:43.206320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099272
observed 2a629b1cf3f74fbb32552fbe456b2342...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:43.187985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099272/manifest.json
observed 05ce750f020b2fff3014fbc52973e662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:43.171522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099272/publication.md
observed 7bc1f70e515b08ff3c30a1cfb20aee6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:43.153145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099272/publication.txt
observed 700a02291d71dbada05fa9561e55b682...
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.