OpenTechnical

OT-2026-000057068

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained 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-2026-000057068) never changes.

Identity and time

Publication numberOT-2026-000057068 · never reused
Internal UUID01a0ae87-d5b7-7a06-b5b0-e47569d6c369 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057068
StatusPUBLIC

Content hashes

Canonical text2f5e5a3d716277a32cd91228c9df44d9b290af080b6c81e253a58531dcca6b03
Markdown90fb732f1ccc1a2cedc0e8e4eefc3a31c4b71f1823fbb261ab6ae968308038f4
PDF
Publication pagee3785d93e99e8b5c9abf493c56d904255cdf390d44abebba9a05162c0587138c
Manifest19b6d932b854e696d5288bb5e02a7f05450fb5ea428085e6d55324f983b9ab77

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
Signature3KEqf/CnQE0W+t2jA5K16lNNUxkV4yg7k+BWhUJbNF44m01cvfHF+r9jABEu0VjqezkAv4CJRXZyisrtQXlyBA==
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

2026-09-17T10:48:32.742401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057068
observed e3785d93e99e8b5c9abf493c56d90425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.726606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057068/manifest.json
observed 19b6d932b854e696d5288bb5e02a7f05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.710179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057068/publication.md
observed 90fb732f1ccc1a2cedc0e8e4eefc3a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.692392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057068/publication.txt
observed 2f5e5a3d716277a32cd91228c9df44d9...
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.