OpenTechnical

OT-2026-000007103

Publication integrity record

Porous face vacuum gripper, six outlet manifold, pump fed, vented after 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-2026-000007103) never changes.

Identity and time

Publication numberOT-2026-000007103 · never reused
Internal UUID01a0a972-cb1e-7022-9c9f-67af24f688e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:01:07.747242Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007103
StatusPUBLIC

Content hashes

Canonical textc4560852b5cdee06371b9a006f1ea6067a4a94fd966be84f08b37270e08020b0
Markdown4cfa0a69f7c80a9bf5405b9fae5925679b3919843b51075655ac515401a0e15c
PDF
Publication page0ea2cc45ffcfdace361b7246cee22e029acc91237f998e093a84c677a76fdf31
Manifest3bb81417d137325a80c75e6f9d9db09a63f5889899e52e9d196dac8576aca526

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
Signature5NM5h9y44UwaJey/oOvs1u2yUDXD1/gug+KtllH+2XWfgwMAfgwN3JF/3YQaVy9B3V+DQ/ONgB1swHR4Nq53Ag==
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

2026-09-16T09:10:26.718054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007103
observed 0ea2cc45ffcfdace361b7246cee22e02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:26.702422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007103/manifest.json
observed 3bb81417d137325a80c75e6f9d9db09a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:26.687638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007103/publication.md
observed 4cfa0a69f7c80a9bf5405b9fae592567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:26.673970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007103/publication.txt
observed c4560852b5cdee06371b9a006f1ea606...
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.