OpenTechnical

OT-2026-000064103

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000064103) never changes.

Identity and time

Publication numberOT-2026-000064103 · never reused
Internal UUID01a0ae8d-a45f-74ae-ad57-2d6dceed3281 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064103
StatusPUBLIC

Content hashes

Canonical texta583ebc829a5ac6b3b4576a279a403b40b2858f9e9bd95221f0969f2fb16fb01
Markdowncaf46052decad9a4f4ff4f5198048429e01bde03279dc0cb9462b3d927708888
PDF
Publication page88442d35c21155d5a72c38560febfdb9f2da406539b6b6216fef34d3278a6afc
Manifestaf500e17b38aaad133cc46b8289ff90b6bdbe0d288c5e90e9a0512bf0ae25f27

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
Signature52wt++gDOVDWNznCtwukWoPZ7XCbL846+A9VQ7w9nyCPytifwVU3/XfaQ2G+jBnJ8i+WB1ioXT12WpTKWxOoBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:05.671161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064103
observed 88442d35c21155d5a72c38560febfdb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:05.651252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064103/manifest.json
observed af500e17b38aaad133cc46b8289ff90b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:05.632725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064103/publication.md
observed caf46052decad9a4f4ff4f5198048429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:05.610333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064103/publication.txt
observed a583ebc829a5ac6b3b4576a279a403b4...
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.