OpenTechnical

OT-2026-000064239

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two 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-2026-000064239) never changes.

Identity and time

Publication numberOT-2026-000064239 · never reused
Internal UUID01a0ae8d-a460-7e1b-9144-b4d393325478 · 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-2026-000064239
StatusPUBLIC

Content hashes

Canonical text7b5d7fe5fd561497a967a383dc86f6381f5781cc21228f66997998d61661da78
Markdownfcf4ec579b1b436e7f3415e756b67a51496cece83d0bfb41ee0dd9c59146b8be
PDF
Publication pageae172d3cea3839cfd0da6864c1393b9dc85ffce74798bfb9d42305ace787e7e4
Manifest30157038cd237ab6b352562186c517a9e09055850b504eec61ff6292dcf9669c

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
SignatureBHptgnPcT0ASzBEc9sAXI+dq/mtG/PY/8PxD7y0gAbhMsi7+ZYMaJqLlmHy1MUNqSMh7qvKERZOF2Xc6suXuCg==
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

2026-09-17T10:36:22.041158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064239
observed ae172d3cea3839cfd0da6864c1393b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.024485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064239/manifest.json
observed 30157038cd237ab6b352562186c517a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:22.006992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064239/publication.md
observed fcf4ec579b1b436e7f3415e756b67a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:21.990318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064239/publication.txt
observed 7b5d7fe5fd561497a967a383dc86f638...
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.