OpenTechnical

OT-2026-000103354

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000103354) never changes.

Identity and time

Publication numberOT-2026-000103354 · never reused
Internal UUID01a0aea4-e45f-73dd-a1dc-e6852acb704f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103354
StatusPUBLIC

Content hashes

Canonical text5dbc96839a6adc7b254260bd8221180dfcd8971a495270662e04626d56b756ad
Markdowne62b3987f0ef00732aac33bd49e2da32eed6d4a8eeb114d1c95797dee51bc024
PDF
Publication page30620c4064135180037f1dc35a2c91d58a36383e9ee5fa4b64019f73195e6508
Manifest45e2f21b6650a3e4ae9f9dbe35f0f08eb6bc36ecfc3603cb3925f532cfc27855

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
SignatureRXZDYda839qNPuFtxLZb7J8VPWvViMwPM2NWrvTW4mOZBzPYdEM0By6UU/0X+IoJU2zTbV0AF0ut46H+Tzf2DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:05.192856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103354
observed 30620c4064135180037f1dc35a2c91d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.175204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103354/manifest.json
observed 45e2f21b6650a3e4ae9f9dbe35f0f08e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.158417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103354/publication.md
observed e62b3987f0ef00732aac33bd49e2da32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.140580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103354/publication.txt
observed 5dbc96839a6adc7b254260bd8221180d...
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.