OpenTechnical

OT-2026-000060303

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000060303) never changes.

Identity and time

Publication numberOT-2026-000060303 · never reused
Internal UUID01a0ae8a-5a74-73dd-80bd-5965656e22ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060303
StatusPUBLIC

Content hashes

Canonical text69239a8f4b73290a4f27f3a15f67a2fcb311b79d34ca149c7553f0c00ebac933
Markdown1db75d7b4d42b2e93fe4e5ab162b21f57f8ad870e59f60a44a1201061b77b526
PDF
Publication page2c8866ed8d6876da3c849e0293195e295f07dc653cb1f0c27055dfd0a92cdb3b
Manifest23d04362ae2e85e3f48006731bb406c15bbca3980441d204e0f9f3b4839c6f75

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
SignaturelZDXUi62ENqemDI6stSDeOajTzkZS7mskUHNqpeYMA9eY1XrK97dmN/zcEN4/3P9HDplbD3XGf5ZLP0X/cbEDA==
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

2026-09-17T10:44:00.615371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060303
observed 2c8866ed8d6876da3c849e0293195e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:00.597591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060303/manifest.json
observed 23d04362ae2e85e3f48006731bb406c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:00.580495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060303/publication.md
observed 1db75d7b4d42b2e93fe4e5ab162b21f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:00.563921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060303/publication.txt
observed 69239a8f4b73290a4f27f3a15f67a2fc...
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.