OpenTechnical

OT-2026-000009575

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000009575) never changes.

Identity and time

Publication numberOT-2026-000009575 · never reused
Internal UUID01a0ae6b-7563-78fa-82ab-f11fd380e71f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009575
StatusPUBLIC

Content hashes

Canonical text63ce3ab7335ca9738439cbd17a6112e45904847b3c5dba01edc325b019d30fa4
Markdowna1676459ac06a8570959c8b0165c8e7a620de4b25eb127ee40c42475d447ebee
PDF
Publication pagebfbfedca1cb74ae94601b3e9f7b7d253612e3797c2dff785aed021c49d377d4b
Manifest4de8e0c1c9b55e3f623a43c2aaf291e4c4645b571881a9edc1a625679ddb50c4

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
SignatureQE2yxdT4xaE9hKgxsTMTMHxduq9p7xH/mZbwr3j5VUvCnj5+zR1IXelBp9jZ1dPoj+hqiyAfS5wmiZxx/i6cDA==
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

2026-09-17T12:17:00.723575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009575
observed bfbfedca1cb74ae94601b3e9f7b7d253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:00.705923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009575/manifest.json
observed 4de8e0c1c9b55e3f623a43c2aaf291e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:00.685629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009575/publication.md
observed a1676459ac06a8570959c8b0165c8e7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:00.667187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009575/publication.txt
observed 63ce3ab7335ca9738439cbd17a6112e4...
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.