OpenTechnical

OT-2026-000075583

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000075583) never changes.

Identity and time

Publication numberOT-2026-000075583 · never reused
Internal UUID01a0ae94-29fd-787a-9698-82b8aa391065 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075583
StatusPUBLIC

Content hashes

Canonical text49bafff6afb32a0d92a2c307a890a54bf876b396720b7c6e9b05cebc37887044
Markdownb4d1cb8293da7417a2f5161b094cf0fa9ac34fcf4794ffab84eb13965740b589
PDF
Publication pagee021f94ff849612a0520c186226798c52bef0f779c769e1c093d2d652ca49189
Manifest4e918fd398eb6158274e6b25c531c5377521a5785cb87a2036775043a6f012f1

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
SignatureQbW2AwyHkEN+gx0/81LwA01sYYaQ8N6FyKm9ZvyTlVqtVDrUn8xZzLjAaMpaxQ7jBNofYT/GIHW4QOa1e3e+BQ==
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

2026-09-17T10:13:12.515358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075583
observed e021f94ff849612a0520c186226798c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:12.495605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075583/manifest.json
observed 4e918fd398eb6158274e6b25c531c537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:12.475711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075583/publication.md
observed b4d1cb8293da7417a2f5161b094cf0fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:12.456401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075583/publication.txt
observed 49bafff6afb32a0d92a2c307a890a54b...
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.