OpenTechnical

OT-2026-000059052

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000059052) never changes.

Identity and time

Publication numberOT-2026-000059052 · never reused
Internal UUID01a0ae89-8611-7b13-ae68-73a986b24d16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059052
StatusPUBLIC

Content hashes

Canonical textd99e7e74fbb1ba2a5effc8bfe365fa19354b52ff3567f03f2f9073d6320d1371
Markdown9b76173b554a7acd6312c4d7110d1738c7429b0c6e1f6563fa97ddd6eb4fbd4c
PDF
Publication page0142ad2ccdd2af79360b74b0f75d65f488d8e3a7aa375b528725c9df8ed37e84
Manifest3b660511a8c65f2c9ce91d03f9607b2b642452cbe587932e6a7f46919f061fee

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
SignatureQ9XjruubdyXntzuFCbIBwxeMvDMjQY7795T7y6igE/JBpN0FM6PPjPzp8wiu0NtbXqSbpDm0QnTxq52bgAbSAg==
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...

Independent retrieval

2026-09-17T10:44:50.780077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059052
observed 0142ad2ccdd2af79360b74b0f75d65f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:50.762898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059052/manifest.json
observed 3b660511a8c65f2c9ce91d03f9607b2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:50.744994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059052/publication.md
observed 9b76173b554a7acd6312c4d7110d1738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:50.726432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059052/publication.txt
observed d99e7e74fbb1ba2a5effc8bfe365fa19...
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.