OpenTechnical

OT-2026-000058619

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000058619) never changes.

Identity and time

Publication numberOT-2026-000058619 · never reused
Internal UUID01a0ae88-f39c-7212-ba5a-b1cd20c7d125 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058619
StatusPUBLIC

Content hashes

Canonical textc7a4b0e38c2259ff379c81f27374f98c27e29ba3e151e6ce67464d68d32fa00e
Markdownd3f3a52e8b36c3b2caeb27bbf5b23c87824632d2d7b1efbdf042958de6790f24
PDF
Publication page6d60e90f66fe003bb983af266b16e58059bc70ef3256b709482d0614e54ce5e4
Manifest63836cb9761f9eb65c46ade3c260001952e0327f6858b754e080f6d4b580d259

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
SignaturemSf5AlZ2STm6+cAfnqD7IPlvWSIfH1sXtBFrrgzNC8odCzQayyZoHaSjijmxvClsJKLPQU+oec4ic2UHgJR9AQ==
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

2026-09-17T10:47:07.412359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058619
observed 6d60e90f66fe003bb983af266b16e580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:07.395361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058619/manifest.json
observed 63836cb9761f9eb65c46ade3c2600019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:07.375128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058619/publication.md
observed d3f3a52e8b36c3b2caeb27bbf5b23c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:07.356695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058619/publication.txt
observed c7a4b0e38c2259ff379c81f27374f98c...
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.