OpenTechnical

OT-2026-000100748

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000100748) never changes.

Identity and time

Publication numberOT-2026-000100748 · never reused
Internal UUID01a0aea3-66f4-71ca-96ca-3d948dbbdf45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100748
StatusPUBLIC

Content hashes

Canonical text930832fb5fbbdc81f65e70ab271a302aca03eb34a6a10af1525a1d8ebd2a6dff
Markdowna5f96213869b0645053bee07c0828aac89a4066a5dae3a102c1901f2e61dd358
PDF
Publication pageddf7e2f57f277539121857ec9e75eb8116e2fbed63c752f4fe918af757da2cb0
Manifestcb0f27bc622a3ea06e248a10469b82e1f52eeac0aabc96b54961b6d17e0d2178

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
SignatureenN0fHSursVI/4WvrUo5zsQsbgzrmjkkYJxW0zkkZINZtYJq1ulBZ16KdUzvHfw4Cd0wQiF+MU1HvTVg1loIDQ==
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

2026-09-17T09:27:34.976466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100748
observed ddf7e2f57f277539121857ec9e75eb81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.957582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100748/manifest.json
observed cb0f27bc622a3ea06e248a10469b82e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.939755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100748/publication.md
observed a5f96213869b0645053bee07c0828aac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:34.923015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100748/publication.txt
observed 930832fb5fbbdc81f65e70ab271a302a...
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.