OpenTechnical

OT-2026-000016689

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000016689) never changes.

Identity and time

Publication numberOT-2026-000016689 · never reused
Internal UUID01a0ae6e-5918-7028-b5ba-80765f1729f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016689
StatusPUBLIC

Content hashes

Canonical text2f3942e13e812fff11bff67df8e6fbdd6aa72c9d33cd5484063dac1e8ccd90dc
Markdownb0e744b913df67a8b44095b1050c7d47a303c77c7946e6ae7279cf8db2475b9c
PDF
Publication page6199ef4ed19ef5eb0d78ff718ac61775b0581d95c7885ef4387b0297fb2a096e
Manifest1243230c4b1b9a9a2b7687b1b930a4bbd29376c7a9f0391552bbae4c1c305854

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
SignatureRhqCypeUK7KWCL80sPPtFIQF2ZTD3tOcq20xrdyCG4plYG66C5I+CFky4Zl15Le7l0frQkps8qQO1VMyDfPrAg==
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

2026-09-17T12:02:54.585394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016689
observed 6199ef4ed19ef5eb0d78ff718ac61775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:54.568910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016689/manifest.json
observed 1243230c4b1b9a9a2b7687b1b930a4bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:54.553747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016689/publication.md
observed b0e744b913df67a8b44095b1050c7d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:54.537984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016689/publication.txt
observed 2f3942e13e812fff11bff67df8e6fbdd...
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.