OpenTechnical

OT-2026-000073807

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000073807) never changes.

Identity and time

Publication numberOT-2026-000073807 · never reused
Internal UUID01a0ae93-2b8d-7a37-beae-74eea1f36a6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073807
StatusPUBLIC

Content hashes

Canonical text953def917372b0397f972abdefb9a6d6de953ea67d6b263265649bd55abbe501
Markdown3f398c2fd11101a5ce3ad2462c2c3bfaa5192735a2cea666fb0b8c0ebdd57732
PDF
Publication page7b269b0ae9f9f9238feb386a8f68ff50734590ca4f2fb478c9988fe356ed41c3
Manifesta246b7d7f0205225b8c9c00741b3c7e5b6e8473625a2299cbc653ea5c4cadbfd

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
SignaturesCbwgYVa3gy6s6n+WvVIVA3zKzlezmY0yRnv2Kh7hSJvYO/GdzthBzHSChTlwMFXm1Wa3U0xNuvFqVBv1pnhBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:55.597266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073807
observed 7b269b0ae9f9f9238feb386a8f68ff50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.577510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073807/manifest.json
observed a246b7d7f0205225b8c9c00741b3c7e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.557839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073807/publication.md
observed 3f398c2fd11101a5ce3ad2462c2c3bfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.538041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073807/publication.txt
observed 953def917372b0397f972abdefb9a6d6...
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.