OpenTechnical

OT-2026-000034202

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000034202) never changes.

Identity and time

Publication numberOT-2026-000034202 · never reused
Internal UUID01a0ae75-df0d-7777-9a3e-6d63b8c63556 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034202
StatusPUBLIC

Content hashes

Canonical text30c308fe3667fba6f310b2faea194d4a1b5690e7c5fc7f516a3805e9bd7a10f2
Markdown7631682766cf79725f037d350fb136d926bbd53fd73e1420abf5536a81094000
PDF
Publication pagef84692633203342e0c0df5a460542a145617bff574c79999324a861471802d26
Manifest2e2c1b2f69363b58cef35209dd44112bb2039b324f8f69dab967be3ebb11280c

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
SignatureUzMU4xjXyaxO5OYGsiKFgvhPbIzWBvvb0wqgAsXp7BbDtd7iZLhSPj0VtNP+4cO6UYSEsxvyGd90f1aCRVmcDw==
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

2026-09-17T11:30:44.726453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034202
observed f84692633203342e0c0df5a460542a14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.706979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034202/manifest.json
observed 2e2c1b2f69363b58cef35209dd44112b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.687968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034202/publication.md
observed 7631682766cf79725f037d350fb136d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.669405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034202/publication.txt
observed 30c308fe3667fba6f310b2faea194d4a...
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.