OpenTechnical

OT-2026-000012634

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000012634) never changes.

Identity and time

Publication numberOT-2026-000012634 · never reused
Internal UUID01a0ae6d-5561-7ca9-995a-f9aecce5bbe6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012634
StatusPUBLIC

Content hashes

Canonical textfe8f48262acbade09cbbfc7c4067f318085e6c66d710dc5309fa8a462717cb75
Markdown500525ffc9a9c998e39f11104913847486e9c4a54b35a6ddd65f6ec43e73f3d0
PDF
Publication pagead39d21b9de6270a2d046818a7cbea6d8b89d2cb6e45b690ea9d481bc7b74917
Manifestd2e103a74f04bc59d92e5ae1c87b27c63d05019784e6b04c095d4dbc7aaf7ff9

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
Signatureya5uZkFHlGXvIuEhOHRH58m5exlBsWrDPhT98HnslSJ1gTkn1rt6FDzxHOqm/2U23iynuK+X/mGM7aXELsdeDw==
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

2026-09-17T12:10:15.657833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012634
observed ad39d21b9de6270a2d046818a7cbea6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.639224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012634/manifest.json
observed d2e103a74f04bc59d92e5ae1c87b27c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.619872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012634/publication.md
observed 500525ffc9a9c998e39f111049138474...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.598081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012634/publication.txt
observed fe8f48262acbade09cbbfc7c4067f318...
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.