OpenTechnical

OT-2026-000045983

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000045983) never changes.

Identity and time

Publication numberOT-2026-000045983 · never reused
Internal UUID01a0ae7d-8f89-7bad-8a5e-83d445d006ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045983
StatusPUBLIC

Content hashes

Canonical textbd1bd09e54c464dc1f03a1c9caf1822db80663729c892a0f05c9d0213b0a23b7
Markdown4bc93a42f0f8f1322e6abf2af450d8fdc5136313412942868ccf0278de197278
PDF
Publication page5b39f2b926bbefd4a86580af5652ce8ed3b55b18e82c9aba229c488396f1ec72
Manifestc3c4e5bbe01dd3d43c2b8885fecaa053859b983d9ae52fdd7c08a38a156f0e2c

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
Signaturezm3sg00Im7Cf6qlH2UuMoHk3Zr/wyscDNoF/x5YWTu2kTXuXC20g//XYHXMamOY1HAxTi/93K6KA3bukv+upDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:58.706055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045983
observed 5b39f2b926bbefd4a86580af5652ce8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:58.686949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045983/manifest.json
observed c3c4e5bbe01dd3d43c2b8885fecaa053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:58.667385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045983/publication.md
observed 4bc93a42f0f8f1322e6abf2af450d8fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:58.649840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045983/publication.txt
observed bd1bd09e54c464dc1f03a1c9caf1822d...
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.