OpenTechnical

OT-2026-000059221

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before 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-2026-000059221) never changes.

Identity and time

Publication numberOT-2026-000059221 · never reused
Internal UUID01a0ae89-8613-7120-a971-114de172a3de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059221
StatusPUBLIC

Content hashes

Canonical text02ca0e92247a1cb5660b166d3c8f834f02eedef51a6c225694df503aeb863ddb
Markdownb4771ba82c85c0b0c89517a3e55d59f1021161819ef43e9ff6af088f353dacb4
PDF
Publication pagee1fead5d93523fe0af831a5e6190042808f9d76cb0116089890f63b3cf7476db
Manifest2877fc6aedacc7ff7cdf639785628842203a34f90583e571de7cf046dad10a90

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
SignaturerI9r4iXlLfuJZZfXYYXq+y9QbdX9D4O1NbhtGe8WvVxYNunxQQlCq5hjZOov+Vn94mTC35gqbhvMHxS0UhbBBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:45:45.189417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059221
observed e1fead5d93523fe0af831a5e61900428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.170405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059221/manifest.json
observed 2877fc6aedacc7ff7cdf639785628842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.153762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059221/publication.md
observed b4771ba82c85c0b0c89517a3e55d59f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.136377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059221/publication.txt
observed 02ca0e92247a1cb5660b166d3c8f834f...
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.