OpenTechnical

OT-2026-000006963

Publication integrity record

Porous face vacuum gripper, two outlet manifold, pump fed, vented before set down, open cell

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-2026-000006963) never changes.

Identity and time

Publication numberOT-2026-000006963 · never reused
Internal UUID01a0a96d-d339-7381-85ba-3c0b0306ae42 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:55:42.140406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006963
StatusPUBLIC

Content hashes

Canonical text2eb2c6bda3b3fab2addc691b1aa2912fc68b3b9b51facefd33c5c291abf03ff8
Markdownefbf0f8ae8ae16970c9849a7ff531b9123597ba267c9e236ff20e0e1c4d9caa0
PDF
Publication page5b21bf93c2e23c28bfe3a72f2fd9424914ac8a0c426f0da65b7e4dadd1449d38
Manifest9dd9a5bbce607e23a3ba51df0292ffd64141796ee378e96eed5bce423cf5b152

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
SignatureoAeX0OGMiGf3u6L/iApZJtovQbvs6y2o2h2YMuwV7R0k2ijoKhGQsIddFxNxBBGMxchsflZeQaKbK1MgXWvvCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:17.203122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006963
observed 5b21bf93c2e23c28bfe3a72f2fd94249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:17.190497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006963/manifest.json
observed 9dd9a5bbce607e23a3ba51df0292ffd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:17.178130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006963/publication.md
observed efbf0f8ae8ae16970c9849a7ff531b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:17.167389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006963/publication.txt
observed 2eb2c6bda3b3fab2addc691b1aa2912f...
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.