OpenTechnical

OT-2026-000099830

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, 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-2026-000099830) never changes.

Identity and time

Publication numberOT-2026-000099830 · never reused
Internal UUID01a0aea2-c978-732d-a599-7755803cecfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099830
StatusPUBLIC

Content hashes

Canonical textbae823500b773691dfbefc802434381bec084df3b9017a6392281510424a599a
Markdownba3180b611a9fd466c3854ca66a108731c087c8b4961e84769b10774fc336072
PDF
Publication page40b34a194cceeb1ab4b65a4b91b21f1cf6fed8b49700caba9206481d1faa96d6
Manifestd6b13de03d57e3b0c718f06a8ff5ae6558323b68da3be9cd5d2a8ede22ea645b

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
SignatureqY9P1t7yZ5z/RnG6i82+j7Adonw2biXWHiCQxmL3gGelevMGPgSBt2BUs5YXe0JGpWck7VW7rQQFwXhFfLCvBA==
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

2026-09-17T09:29:52.111009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099830
observed 40b34a194cceeb1ab4b65a4b91b21f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:52.095673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099830/manifest.json
observed d6b13de03d57e3b0c718f06a8ff5ae65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:52.079385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099830/publication.md
observed ba3180b611a9fd466c3854ca66a10873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:52.062543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099830/publication.txt
observed bae823500b773691dfbefc802434381b...
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.