OpenTechnical

OT-2026-000008981

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000008981) never changes.

Identity and time

Publication numberOT-2026-000008981 · never reused
Internal UUID01a0ae6b-31b8-767f-9964-31aafc88f0cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008981
StatusPUBLIC

Content hashes

Canonical textb3ec99c12d87b0abdc73f18c0a6484500cb35ce82ec1267d73764cca9d864096
Markdown003480a69d654387655088bc440f7d92102714b6623587e290c290955fe94979
PDF
Publication pageee0ba1de10eed1eb5a92aae9ba9dfee65db5de4fa63c59f6adee192afa6dc879
Manifestb9ebc046c1a87b5b92a2ff0f7d9cdfc858d0b35daa08b8227f0f5f9902ed4f56

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
SignatureiqBObWl18Z/575kp3L7x9M3ZDyctQSOdPv2KjbdO3vAhzs/YpiSdrr7+i4wrIBYXqCZJf1aAgk0iiMLXgMJ/AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:36.271623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008981
observed ee0ba1de10eed1eb5a92aae9ba9dfee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.251678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008981/manifest.json
observed b9ebc046c1a87b5b92a2ff0f7d9cdfc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.231319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008981/publication.md
observed 003480a69d654387655088bc440f7d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.210941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008981/publication.txt
observed b3ec99c12d87b0abdc73f18c0a648450...
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.