OpenTechnical

OT-2026-000014804

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000014804) never changes.

Identity and time

Publication numberOT-2026-000014804 · never reused
Internal UUID01a0ae6d-d094-74dd-ad22-7e7cc7456266 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014804
StatusPUBLIC

Content hashes

Canonical text2ff0c7449a4b16e84921e2ced5e194b0593bc9889ad59d16eb5eae31472b36d4
Markdownd44559f40e51a265d0a3c6d2d1075e129ec581443179ad29383ca64fd05771a5
PDF
Publication page9cd887dacf18ba2ef35ee4fe076d13cb46915ed7532c14c8651d3b15ccae9e44
Manifestefc52f7ab7d3cfeb534dd590ffa092a87aea9621686fe8e26c0dcc1da792a402

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
SignaturemQ4aIEghRFZs+xukM+Fh1dDHnCXnqPxqYqV1YuvvUSt7JFtk5oOFYHS/yCxWa873ELacD4mO75nq8PknizvLCQ==
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

2026-09-17T12:06:42.094603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014804
observed 9cd887dacf18ba2ef35ee4fe076d13cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:42.074387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014804/manifest.json
observed efc52f7ab7d3cfeb534dd590ffa092a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:42.054515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014804/publication.md
observed d44559f40e51a265d0a3c6d2d1075e12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:42.036943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014804/publication.txt
observed 2ff0c7449a4b16e84921e2ced5e194b0...
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.