OpenTechnical

OT-2026-000057751

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, supply line 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-2026-000057751) never changes.

Identity and time

Publication numberOT-2026-000057751 · never reused
Internal UUID01a0ae88-6ed7-7cc1-a6e2-faaf9b849112 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057751
StatusPUBLIC

Content hashes

Canonical text1593c6decde8cfef570cad8f0b1a85b0d174ba2b73bdab69c68847c401b74b10
Markdown4424ac50b1c0425b6582ddfb836c81ff94bffec534929368435053f11509ef8b
PDF
Publication page4e7f5b8aa1c0e8c429530b9269309ab5656034faed5cfccd478df4e4b0d7196e
Manifestc8fbbb507fb2a92e72545688213f8bb4237e42745082f1bca58afbe121760842

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
Signature975yYFGHOh9rr+tzRTA0/V1/NS+gQ/3c76+1Go7P81QB2OFrzffnO92pvAAtHqP6WukpSDNCOPVGJE474a5LDA==
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

2026-09-17T10:47:17.623418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057751
observed 4e7f5b8aa1c0e8c429530b9269309ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.605164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057751/manifest.json
observed c8fbbb507fb2a92e72545688213f8bb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.587302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057751/publication.md
observed 4424ac50b1c0425b6582ddfb836c81ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:17.569457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057751/publication.txt
observed 1593c6decde8cfef570cad8f0b1a85b0...
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.