OpenTechnical

OT-2026-000053556

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000053556) never changes.

Identity and time

Publication numberOT-2026-000053556 · never reused
Internal UUID01a0ae85-0a93-7283-83be-59cf24d5cf81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053556
StatusPUBLIC

Content hashes

Canonical textd8270315497ca1a7aeec82bb48652e5d7c84d880963d14d6cc950c4a57a0ea11
Markdown5b666cef6527a94416d72dfcee5797666aed9809a173b932c05ffd4236451918
PDF
Publication page35e2c857870860f44291c80a1bb758e1f1169eb640331246b238045cb2931e83
Manifesta3c303b5216096d1c85c561f3bc042daa9d5b04be42c01666d5322e6e70c3656

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
Signaturee5MAfFvMyulJ9w1biznJ77HykfLEcIhs/1r6frn4HFjxKy3ffuTtZtexis5gI24VMfTVg2K5bMKp/vgW1QHkCw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:24.943052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053556
observed 35e2c857870860f44291c80a1bb758e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:24.926563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053556/manifest.json
observed a3c303b5216096d1c85c561f3bc042da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:24.909034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053556/publication.md
observed 5b666cef6527a94416d72dfcee579766...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:24.891472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053556/publication.txt
observed d8270315497ca1a7aeec82bb48652e5d...
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.