OpenTechnical

OT-2026-000037195

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line 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-2026-000037195) never changes.

Identity and time

Publication numberOT-2026-000037195 · never reused
Internal UUID01a0ae77-7741-7ab4-80fa-a84651f87747 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037195
StatusPUBLIC

Content hashes

Canonical textbdb8bcabd9fdcaaee3c7063fd262fcce6cdf707d48c7a522fddff63102a37fc2
Markdown9d00a0462de8fd1b69a4bdb4974f25f1fdcaea1028f8de125ccc22538af1e5c8
PDF
Publication page95ed09d5fc1153e7c547935d27360c940d182513669157176a36a61dda2455e1
Manifest4ab1bb02ce77df400a79ba163e59c39f132799ea6b75c7ce4e084288754e33c8

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
SignaturetHOWZ49gUyFHj28QscyrPMHgcZdzucC0e7PFakGwRt78loqAKipCwVBBRuyVZTy5ZvfozMRpCK9t39souLzeAA==
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

2026-09-17T11:25:04.823707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037195
observed 95ed09d5fc1153e7c547935d27360c94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.807811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037195/manifest.json
observed 4ab1bb02ce77df400a79ba163e59c39f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.792808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037195/publication.md
observed 9d00a0462de8fd1b69a4bdb4974f25f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.776834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037195/publication.txt
observed bdb8bcabd9fdcaaee3c7063fd262fcce...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent