OpenTechnical

OT-2026-000009528

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, vented after 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-2026-000009528) never changes.

Identity and time

Publication numberOT-2026-000009528 · never reused
Internal UUID01a0ae6b-7562-7706-bbbd-9e3d6e85cea9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009528
StatusPUBLIC

Content hashes

Canonical textcedfe5998c89e8bbd511ed3f364ddf62e2cc1da2f17b6eec675488ea1d244d09
Markdown2a0460fe58a7bf93f86584cd94790d76c8e81777d7fb0a0b9b49f7bf6e77cef5
PDF
Publication pageb12af56cae78aaf7db6c58f8d0bf1cf3bcbe3c7c45d35dd0c18ea4c710dc4c7a
Manifestb3bbb1ab251d07cb79fdead6e0a9272725b7c61440a203d3574b3c771ab778e7

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
Signaturedc3YlOcl0cwXVa11EW+n7+yklfQQlmMymFxVYv+3OyohPkVFu8vYp1c8Se9uvyYuK4jXxARmNcdkEIAF/UEGCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:56.737320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009528
observed b12af56cae78aaf7db6c58f8d0bf1cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.717134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009528/manifest.json
observed b3bbb1ab251d07cb79fdead6e0a92727...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.696596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009528/publication.md
observed 2a0460fe58a7bf93f86584cd94790d76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.678351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009528/publication.txt
observed cedfe5998c89e8bbd511ed3f364ddf62...
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.