OpenTechnical

OT-2026-000100017

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000100017) never changes.

Identity and time

Publication numberOT-2026-000100017 · never reused
Internal UUID01a0aea3-1474-7228-813f-bb677740ae25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100017
StatusPUBLIC

Content hashes

Canonical textd2f91897388e83642728ed4b0b6eb9ddc11869b0170d2dcb739f874505e6aeca
Markdownb73909a8e3f0266171db5948ab0da606522f0d389f826870512decbe2ffe64e6
PDF
Publication page80d0aa67e2df0472ecd5f82af0a93f694fac4cacd0957637c19e9fe9c8e2f0a1
Manifest1dfa4b668b04b1ca693f24f03687218008a0df0b34ad976065244fc868d57356

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
SignaturePa+xJeYjQqhML+aad0B9zqq+SdD010K9xJh488ASqXD0tHY2kisXv11T8LSPazZX8iO7oWusTbT2I+AsTPR3DA==
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

2026-09-17T09:30:37.227641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100017
observed 80d0aa67e2df0472ecd5f82af0a93f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:37.194485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100017/manifest.json
observed 1dfa4b668b04b1ca693f24f036872180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:37.177789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100017/publication.md
observed b73909a8e3f0266171db5948ab0da606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:37.142671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100017/publication.txt
observed d2f91897388e83642728ed4b0b6eb9dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:52.701038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100017
observed 80d0aa67e2df0472ecd5f82af0a93f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:52.682977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100017/manifest.json
observed 1dfa4b668b04b1ca693f24f036872180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:52.650530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100017/publication.md
observed b73909a8e3f0266171db5948ab0da606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:52.619931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100017/publication.txt
observed d2f91897388e83642728ed4b0b6eb9dd...
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.