OpenTechnical

OT-2026-000067481

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000067481) never changes.

Identity and time

Publication numberOT-2026-000067481 · never reused
Internal UUID01a0ae8f-6bd9-7cb5-bbc4-6a90e18a5c8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067481
StatusPUBLIC

Content hashes

Canonical text80fd72766c76324c7b9ecc1ff9933758bc1cd314bf92b32956e6a86144109a0a
Markdown9b2d2397b685154593939b126916eab4c0ba72748ead57b8167bf6cf43e499c6
PDF
Publication paged5d925c90aafaaa44638a9a215d6b0b83b7517622ba1b4f89f2773fc7af8b07f
Manifestf94762faf94339b67bc2444670c83a2ca9ea6c29af4c2943919763ca7dd744ad

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
SignatureF4NcfyduaHaYPpl9u3l5FgNRL02NHBHYhUeRhUmKsvn8rei9CiBUEy6wMkGrnmYk6wPHLbQcbmT729/jIQ7PCQ==
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

2026-09-17T10:31:41.513633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067481
observed d5d925c90aafaaa44638a9a215d6b0b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:41.494596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067481/manifest.json
observed f94762faf94339b67bc2444670c83a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:41.477197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067481/publication.md
observed 9b2d2397b685154593939b126916eab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:41.460154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067481/publication.txt
observed 80fd72766c76324c7b9ecc1ff9933758...
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.