OpenTechnical

OT-2026-000009872

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000009872) never changes.

Identity and time

Publication numberOT-2026-000009872 · never reused
Internal UUID01a0ae6b-cb78-7bb5-81ae-93c0f8452978 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009872
StatusPUBLIC

Content hashes

Canonical text305b4bbaa461b6d6f982a94f89d305af3606234646a0e2ccce5587feef60a72c
Markdown2750cbde7bcce7e57f06c2dc0018921e345c05adbace30c2c2aafb418f31364a
PDF
Publication page225a71b7da6d4c6ff0a9dab76f9f0bdcc7bc80f4f1595737421eb3b36300f0ac
Manifest9f42b4839eae8fd710c8573a45632d645e592c5ee04124dd42e0141611df1e54

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
Signature3iKCtSJqlAuF6N2YNWc1of6fz2vnhvnDGXJKUxn+h6a6yOjIRsx2aXXh0DL23Z/41cdEcCi6l670cyTDA5vUDw==
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

2026-09-17T12:15:52.597263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009872
observed 225a71b7da6d4c6ff0a9dab76f9f0bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:52.578315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009872/manifest.json
observed 9f42b4839eae8fd710c8573a45632d64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:52.559083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009872/publication.md
observed 2750cbde7bcce7e57f06c2dc0018921e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:52.540354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009872/publication.txt
observed 305b4bbaa461b6d6f982a94f89d305af...
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.