OpenTechnical

OT-2026-000007295

Publication integrity record

Porous face vacuum gripper, three zone face, ejector fed, sustained blow off after 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-2026-000007295) never changes.

Identity and time

Publication numberOT-2026-000007295 · never reused
Internal UUID01a0a979-aab6-7bf3-82b0-ab39cdf7be29 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:08:38.202199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007295
StatusPUBLIC

Content hashes

Canonical text6cfdb2356ff4272485e1ca7ebd1f623128d3881311334b69a761d49a6cca20cf
Markdowndaee62409171e9f1e1e3a976dbd22759fa05da938fcfd1ea15c571bc4683edfc
PDF
Publication page44d95add27f766ebd839608b2389ecb89d6f10ec0614622e5e1d171c1a65aadb
Manifestc0a053106bf8e581e23ad1759d94d73434890fbf3377a13851155d5f81efdb03

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
SignatureirHlnOWWDGB3OY03VQT8NA7P2VXIH2qT34B6APk5CQH6iqC7iA5PeYRWtMhPcLTLz24r0GTal3JSf14alXhiAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:06.745828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007295
observed 44d95add27f766ebd839608b2389ecb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:06.733656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007295/manifest.json
observed c0a053106bf8e581e23ad1759d94d734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:06.720492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007295/publication.md
observed daee62409171e9f1e1e3a976dbd22759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:06.707812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007295/publication.txt
observed 6cfdb2356ff4272485e1ca7ebd1f6231...
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.