OpenTechnical

OT-2026-000008431

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pulsed blow-off before set-down

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-2026-000008431) never changes.

Identity and time

Publication numberOT-2026-000008431 · never reused
Internal UUID01a0ae6a-e46a-7c69-97f9-12aee7a45e92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008431
StatusPUBLIC

Content hashes

Canonical text10f17412f883b4e440db20e329df9a0ac186bf148648b919dd4e0376686af7a3
Markdowna9215d1d436e77077545ce115a58086e5c0a80a9218c1d1c57928477e2d59cfc
PDF
Publication page601c3d8b2ddead33d1da4001d005fd7f4aae0a98b96b8d5862020de7814b95d9
Manifest2db4a6311dee9d6498da8b6e43fa9e2f260d9bc11cd39504d545151bf3219048

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
Signature5RTC5I+StwVbJDVPUKwR9dYHHVa7ex9GQoAUkMYWukVhg4GCKxQtiJCVudrwoob0QyN8Ye09s+AMa546qY9sBg==
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

2026-09-17T12:18:17.387167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008431
observed 601c3d8b2ddead33d1da4001d005fd7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.361667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008431/manifest.json
observed 2db4a6311dee9d6498da8b6e43fa9e2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.320050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008431/publication.md
observed a9215d1d436e77077545ce115a58086e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.298909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008431/publication.txt
observed 10f17412f883b4e440db20e329df9a0a...
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.