OpenTechnical

OT-2026-000017718

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump 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-2026-000017718) never changes.

Identity and time

Publication numberOT-2026-000017718 · never reused
Internal UUID01a0ae6e-96fa-76b7-a223-5cc6ca94b5f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017718
StatusPUBLIC

Content hashes

Canonical text40f23489d7a9501d1d0b4c3c05bbd3833f7ad1a185922e13639d44c865fc2cd9
Markdown5f5499fb67ef12a0bf9d6d81e24828c425e14b8be8aa3f996c6aafc580e47b1e
PDF
Publication page57b1d7cd5b0d4944bd5fcc89135743f656cacef4af913c27bfc2e3c1f6583d85
Manifestd90b28a110f1dfb49279d9b1d658d1a28aa316ead0b4322457046d466449424d

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
SignaturesTfhy0m8XYCprhXhYEjo7nw4wtDB9g/p0GY8AHrFJsy2yXD/CcspWRURTw0/7Wx7Sxq19m14IfjC7tOlLePcAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:01:39.508578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017718
observed 57b1d7cd5b0d4944bd5fcc89135743f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.492875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017718/manifest.json
observed d90b28a110f1dfb49279d9b1d658d1a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.476537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017718/publication.md
observed 5f5499fb67ef12a0bf9d6d81e24828c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:39.458556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017718/publication.txt
observed 40f23489d7a9501d1d0b4c3c05bbd383...
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.