OpenTechnical

OT-2026-000068925

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000068925) never changes.

Identity and time

Publication numberOT-2026-000068925 · never reused
Internal UUID01a0ae90-6dcc-7a3e-aae9-71765a93e3e8 · 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-2026-000068925
StatusPUBLIC

Content hashes

Canonical text2ea390f4de5d2bae7ba9c5436f2be601509814821cd9458954bf9cd5acb51560
Markdown772c48d0304892d0853108d8c953aff963ec065b92f6fe705ea46f7f3d00f9d3
PDF
Publication page5a2d19afd2643a547b6f49b626bbcd9780d0abad586447cc87dfc08231b15515
Manifest9d26b0ef9f893b68bb44e9282e648590de9a80132c04652522f2d364b88f1124

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
SignatureDxdguKUnsVujtyf/5GnpvcdvwXMjHsGAfPtYJo3N+9Sy51caK15lJMfJqycN6gNSw5+jy3xPhUCIkOFFKoRICA==
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

2026-09-17T10:28:45.183383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068925
observed 5a2d19afd2643a547b6f49b626bbcd97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.165607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068925/manifest.json
observed 9d26b0ef9f893b68bb44e9282e648590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.146599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068925/publication.md
observed 772c48d0304892d0853108d8c953aff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:45.129166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068925/publication.txt
observed 2ea390f4de5d2bae7ba9c5436f2be601...
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.