OpenTechnical

OT-2026-000097561

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000097561) never changes.

Identity and time

Publication numberOT-2026-000097561 · never reused
Internal UUID01a0aea1-92f1-7875-9d98-3f801e753686 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097561
StatusPUBLIC

Content hashes

Canonical text52d48d38db5425a571cf3143856ff49adf1d2c92d73feead5b1d43a4ec0e064e
Markdown898eb3f1089bea0e9223be9f0864fa3296e0d8d81c7fb4555b00f15bf67a8ad9
PDF
Publication page2746a4e6339e3c8f251b4de7c8aa26e347b307409498083ca76b6f7a5e5a04bc
Manifest316dd697463e1060f461bb9450d27c0ae70fe1a1b97e8ecc42809fe5bc136dea

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
SignaturedgjIE9mzjludAZOsqmq+BcLHna9JZKfGld6j5k46pXZfPHa7Gk7lRQlG3RK6SW3MhhGcNIv2QIuipme+Js9MBA==
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

2026-09-17T09:32:28.252609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097561
observed 2746a4e6339e3c8f251b4de7c8aa26e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:28.236131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097561/manifest.json
observed 316dd697463e1060f461bb9450d27c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:28.218748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097561/publication.md
observed 898eb3f1089bea0e9223be9f0864fa32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:28.200678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097561/publication.txt
observed 52d48d38db5425a571cf3143856ff49a...
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.