OpenTechnical

OT-2026-000066726

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000066726) never changes.

Identity and time

Publication numberOT-2026-000066726 · never reused
Internal UUID01a0ae8e-ce42-7df8-8513-3e26b15a26f7 · 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-2026-000066726
StatusPUBLIC

Content hashes

Canonical text05e2da5aeb92b3de58cdf16f5dbd47dc34ae2f76a2199a8e59427fd4d233f487
Markdown719b19572037457afaa12c164d7331361d7d234f4856df4cb2568e2a26db9027
PDF
Publication pageaa84fcf4e1602c8b351bff601a26fc6a2516885269144742b2723d71f28c7ed9
Manifest36cc58f2a33e67e09de3aa61dfff4a1b5ca343383fbdf018c0534c7cc7998c8a

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
Signature+R8w2rFm0PV8uqiiExvPL414n3LygSZZeXcQGkRr3urmjVxh7yzzaEmJKdtwcmDXwWrIUIHam1NXGVBDMx4SCQ==
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

2026-09-17T10:33:07.906310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066726
observed aa84fcf4e1602c8b351bff601a26fc6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.888979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066726/manifest.json
observed 36cc58f2a33e67e09de3aa61dfff4a1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.870260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066726/publication.md
observed 719b19572037457afaa12c164d733136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:07.849782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066726/publication.txt
observed 05e2da5aeb92b3de58cdf16f5dbd47dc...
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.