OpenTechnical

OT-2026-000064131

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, 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-2026-000064131) never changes.

Identity and time

Publication numberOT-2026-000064131 · never reused
Internal UUID01a0ae8d-a45f-7e04-a1c3-b99aa91411a9 · 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-2026-000064131
StatusPUBLIC

Content hashes

Canonical text9c5167d4328c793bcaf24f4a9a59e6759ef752f58a1422b8ad13dd4d4dc5dafc
Markdowna49ff6efa2f8a2a0a4bf844ed15964a08f9c0e23a26f37bb8bb40f4b11d9a315
PDF
Publication pagef2cbdd8b3b64f78b7368d7faed297af4667f723446768b2e4532dc0134a132d7
Manifested5108c4367fa45a377ed18b4309cb63c9ade9c7d036e229f77ec8dace2d62d3

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
Signature9Wj9onvUuyawTg0TzFi89m37XX6vvx02e3nR+EI8hoUab1CpJ8NKpsMVUqPXLVC6jsloIvB3+Rzc+7bT3gmmBQ==
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

2026-09-17T10:36:07.858461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064131
observed f2cbdd8b3b64f78b7368d7faed297af4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.839277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064131/manifest.json
observed ed5108c4367fa45a377ed18b4309cb63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.820797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064131/publication.md
observed a49ff6efa2f8a2a0a4bf844ed15964a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.803092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064131/publication.txt
observed 9c5167d4328c793bcaf24f4a9a59e675...
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.