OpenTechnical

OT-2026-000099933

Publication integrity record

Foam pad vacuum gripper, four zone face, pump 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-2026-000099933) never changes.

Identity and time

Publication numberOT-2026-000099933 · never reused
Internal UUID01a0aea3-1473-78d1-a0f4-98d4efa88744 · 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-2026-000099933
StatusPUBLIC

Content hashes

Canonical text82cba8d52d31526e40e19d807231215f98e0222f5b9fdd90778fd41c3ecfce9a
Markdowne172b3f12af16d9bda98711ef9d75497041a294bb9c276685127a2dc3cd021e3
PDF
Publication page8639a83e7ba8ba03fd460f8686c6839b264dcc712475ffecb3a7e119732bd48b
Manifestb57a4fb2a6ec1d41e14a20568cb01909e770db5d55f204581a4df8e5db6e52b4

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
SignatureoYsnxMjPTX9YQdtrbzU40ZO2aZYm7LfP51W/puWJeJ9KZ44QMwHTtO7CUwm7JIEb98qT+a/AXmOk50bsw4umCg==
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

2026-09-17T09:30:34.808070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099933
observed 8639a83e7ba8ba03fd460f8686c6839b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.791048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099933/manifest.json
observed b57a4fb2a6ec1d41e14a20568cb01909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.770144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099933/publication.md
observed e172b3f12af16d9bda98711ef9d75497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.751336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099933/publication.txt
observed 82cba8d52d31526e40e19d807231215f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.374169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099933
observed 8639a83e7ba8ba03fd460f8686c6839b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.354728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099933/manifest.json
observed b57a4fb2a6ec1d41e14a20568cb01909...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.337143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099933/publication.md
observed e172b3f12af16d9bda98711ef9d75497...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:50.318633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099933/publication.txt
observed 82cba8d52d31526e40e19d807231215f...
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.