OpenTechnical

OT-2026-000049432

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000049432) never changes.

Identity and time

Publication numberOT-2026-000049432 · never reused
Internal UUID01a0ae81-8f7b-7d59-9c73-eb2286875fe7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049432
StatusPUBLIC

Content hashes

Canonical textb0a445d4aa6f9c27b9c8b1b98481664956045f24377a0c61ffd6387a7459a288
Markdownbb4e722ceff0e3013ce8d7d6cb9002243c0588e242dc7941ce47455df7b659dc
PDF
Publication page2cede0ad1ff026accf96f6e2808c1b25f23032d4fd1a8e8c303a7029a42310fe
Manifest8965c940b9a774002430bc4582b572b979d2b188fe8349285ea64b809c369670

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
SignatureN1SI38HPKMrg4hn7yB97kaTx5ZsMcHvlUV4F9x53C4JJIdatSTOY8UFom0JfuIiQgvvBaZy78+hS7wePJIA/CA==
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

2026-09-17T11:02:15.823528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049432
observed 2cede0ad1ff026accf96f6e2808c1b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.805220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049432/manifest.json
observed 8965c940b9a774002430bc4582b572b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.786657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049432/publication.md
observed bb4e722ceff0e3013ce8d7d6cb900224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:15.764485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049432/publication.txt
observed b0a445d4aa6f9c27b9c8b1b984816649...
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.