OpenTechnical

OT-2026-000040557

Publication integrity record

Six 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-2026-000040557) never changes.

Identity and time

Publication numberOT-2026-000040557 · never reused
Internal UUID01a0ae79-6d0d-7cec-9b08-d79d7301d8dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040557
StatusPUBLIC

Content hashes

Canonical textb9599154cb5743b5632f55b716d7f2c64542af9994c567a1fb42db260e5db181
Markdownacba8a1a53a37b26d2ebe6d46166387dcfbb2176d4ed9518fdfe5d7d2a0da69c
PDF
Publication page27180cbf1624ced9f04f4816342be269abdeb77322d5494e7b9245631b669ce0
Manifestf755ff771940af373e6e480a9ef305c95196f9cbfd0ebf5d290ef05c043ccb04

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
Signatures4+/yuNpJFi8BV7oVwhp4TScIWaspG6TnUBTl/srq2wlL2P8dtDc00+WM++3yPm4dB4D75efKzIVWlPKbaIQCQ==
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

2026-09-17T11:17:43.087447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040557
observed 27180cbf1624ced9f04f4816342be269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:43.070239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040557/manifest.json
observed f755ff771940af373e6e480a9ef305c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:43.052244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040557/publication.md
observed acba8a1a53a37b26d2ebe6d46166387d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:43.032522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040557/publication.txt
observed b9599154cb5743b5632f55b716d7f2c6...
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.