OpenTechnical

OT-2026-000099934

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000099934) never changes.

Identity and time

Publication numberOT-2026-000099934 · never reused
Internal UUID01a0aea3-1473-7bb4-bc1a-3af25a77653e · 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-2026-000099934
StatusPUBLIC

Content hashes

Canonical text59f066b6bb8dc8cb6a816ed7637c31b63f50076bac245b4b76bd81d3198a87e2
Markdowndc3dde0037a79a7c739d41ad51c31c9dfe3b138deb8cd1323de2ed349dcecdc4
PDF
Publication page1c95864474f3ea5a4aca0ec60d9b7abc80c87fed01eef43fae2f7d27d62a3454
Manifest2ce1547ffc4043a81b89e340129660f3845ee8cab78fbcdaf2c8c7916d760073

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
Signaturejpsb8Wl42mEAv1SNGr8LMXtAjEWPEqvuJgKhi8hCG/TU2+Lh+jy+3klcqap2SqCozyiOsVk1XC5C0PH6t+6cBA==
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

2026-09-17T09:30:34.882158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099934
observed 1c95864474f3ea5a4aca0ec60d9b7abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.864556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099934/manifest.json
observed 2ce1547ffc4043a81b89e340129660f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.847613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099934/publication.md
observed dc3dde0037a79a7c739d41ad51c31c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.828836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099934/publication.txt
observed 59f066b6bb8dc8cb6a816ed7637c31b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.444955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099934
observed 1c95864474f3ea5a4aca0ec60d9b7abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.428424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099934/manifest.json
observed 2ce1547ffc4043a81b89e340129660f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.410699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099934/publication.md
observed dc3dde0037a79a7c739d41ad51c31c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.394108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099934/publication.txt
observed 59f066b6bb8dc8cb6a816ed7637c31b6...
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.