OpenTechnical

OT-2026-000016447

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000016447) never changes.

Identity and time

Publication numberOT-2026-000016447 · never reused
Internal UUID01a0ae6e-2d13-77dd-a43b-14fbd96d45d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016447
StatusPUBLIC

Content hashes

Canonical text7ee6ce52f69d365df5983c4f44a6604acfc09b4deca65badcdf9b4b906b02b34
Markdowndd037d4faffb775ebf289fca09ae35e9f5cd0107f4737655d1c3d922c3371642
PDF
Publication page99430d64511bc91e834178d19336cfd2e3f47adafe3917eea265bd4c37431069
Manifest41c5a2a59f6f74933625ebe93f854ac5be04236ed07049b05c313ab7c5cbe539

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
SignaturevfS7iKH3NrlCl9nzwJiSyvqN37g/c/0zXnbKBTfK/Elae60jeT0JordhQ7iPP1kg50u3mMgnL4tqSBftt+p7Cw==
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

2026-09-17T12:04:32.949327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016447
observed 99430d64511bc91e834178d19336cfd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:32.932109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016447/manifest.json
observed 41c5a2a59f6f74933625ebe93f854ac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:32.914092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016447/publication.md
observed dd037d4faffb775ebf289fca09ae35e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:32.895180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016447/publication.txt
observed 7ee6ce52f69d365df5983c4f44a6604a...
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.