OpenTechnical

OT-2026-000068895

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, 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-2026-000068895) never changes.

Identity and time

Publication numberOT-2026-000068895 · never reused
Internal UUID01a0ae90-6dcc-7ab3-b9dc-6eda78fe59af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068895
StatusPUBLIC

Content hashes

Canonical text3f20947bbfcd44e1078d3724d888bf4d6e232ab530ea7ceceff57225aef0d702
Markdownd02710f47ef74860dc47dbb3869efd717a93955789a98fa0c561777bada05f52
PDF
Publication page3fa873d0bf6a01a81ec0c4816330c1bd3efe2e8eb2a4428122599f60f9cc1cd9
Manifest0bcaea731e2bf74dcf97b37fb302ac2896c3a8d9c93f31d0cc2aeb4c010a86fe

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
SignatureW3WUDTIj6UF6E78oRORlOh7wiWBu2D/OVck8lmr9AFPlGA3Mut1u57twW8kxFAzmaBID/k4PhfxEFXrIyUaKCg==
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

2026-09-17T10:28:42.852175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068895
observed 3fa873d0bf6a01a81ec0c4816330c1bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.833875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068895/manifest.json
observed 0bcaea731e2bf74dcf97b37fb302ac28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.814331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068895/publication.md
observed d02710f47ef74860dc47dbb3869efd71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:42.794943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068895/publication.txt
observed 3f20947bbfcd44e1078d3724d888bf4d...
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.