OpenTechnical

OT-2026-000066674

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000066674) never changes.

Identity and time

Publication numberOT-2026-000066674 · never reused
Internal UUID01a0ae8e-ce42-7147-8acc-a1d7a842c3ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066674
StatusPUBLIC

Content hashes

Canonical text657fc87a339f6ffc923c27dc52bb1efa4f1cb3859ab98c8fc62d48dd11c0c809
Markdownb6828f19f29971d42bf85416aa0a207800a89e0eb4f4b7e41d88f665532ec8b5
PDF
Publication pageca7bb3f4a7b2680a7a68ac65d7b410f28068f4249c7bdc3ccbd88c7ba1b72a28
Manifest55a23211c0c7d25baf7306a1b1fb195aa1effd35b6b7571ad223f49861631fcf

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
SignatureD5YwDnFv3WvB3bO99p/1TqWToy/f+znE1m3FsKX/dOYfSbxSDiC2EX/VryGjbrT63Z0Nt+QWS1ej+KH02t3PAw==
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

2026-09-17T10:33:03.911773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066674
observed ca7bb3f4a7b2680a7a68ac65d7b410f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:03.893379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066674/manifest.json
observed 55a23211c0c7d25baf7306a1b1fb195a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:03.876051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066674/publication.md
observed b6828f19f29971d42bf85416aa0a2078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:03.857966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066674/publication.txt
observed 657fc87a339f6ffc923c27dc52bb1efa...
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.