OpenTechnical

OT-2026-000015727

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000015727) never changes.

Identity and time

Publication numberOT-2026-000015727 · never reused
Internal UUID01a0ae6e-0c4b-7389-91e5-eed97b307280 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015727
StatusPUBLIC

Content hashes

Canonical textd2f77db410409ef1639ce71aaf5f706da6f328e42c70f420a2a6d66a097d5c90
Markdownd160ec852f2e4f8a5b856fe542b765538684dd2c84fce2b3856d65665c987f28
PDF
Publication pageff77d8de1f68192fd278ba0d8ba7f460346c25cdc1284977189d6b65fc328863
Manifestae6ded655106166c87dabe01e9aff5d7808955a337138bc619c8944e578ac7a9

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
SignatureAg9ZcPJS8gnt0804ZP8GFmU9TNYQvPE0r+AXaKkXtinWeKYnoJYI2NieiYArGY/eq1ZqJzGIkpEWRW7O4W+xCA==
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

2026-09-17T12:05:00.764763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015727
observed ff77d8de1f68192fd278ba0d8ba7f460...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.747247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015727/manifest.json
observed ae6ded655106166c87dabe01e9aff5d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.728258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015727/publication.md
observed d160ec852f2e4f8a5b856fe542b76553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:00.708126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015727/publication.txt
observed d2f77db410409ef1639ce71aaf5f706d...
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.