OpenTechnical

OT-2026-000051572

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000051572) never changes.

Identity and time

Publication numberOT-2026-000051572 · never reused
Internal UUID01a0ae83-7c81-7bc0-b278-cf3287e3a48e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051572
StatusPUBLIC

Content hashes

Canonical text07b7d88d40ef271516b801b016b1baf2899878e2f94c61a305d7ba40151ed09c
Markdown03ab8634804b8f547fbde6efdf9574e456e523fd37194d461b17fd1054ae130e
PDF
Publication page1e872765bff82a2feba5fca9b1986a6d549072b5544ecbc7afc947890e3b15e5
Manifest8abe3b54e848ea1b80a9dd579761f048a66dce504060f56b6861eba499ff614e

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
Signaturew/ea1pkn8nNfvGBQFUpoqknsyRpp7xnCQH7lHdI/Ja4FrUfvVi2xH7WDt2IUsM6pwHg72Wglfs53fqS7IowpBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T10:58:24.782789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051572
observed 1e872765bff82a2feba5fca9b1986a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:24.765022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051572/manifest.json
observed 8abe3b54e848ea1b80a9dd579761f048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:24.747692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051572/publication.md
observed 03ab8634804b8f547fbde6efdf9574e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:24.730738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051572/publication.txt
observed 07b7d88d40ef271516b801b016b1baf2...
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.