OpenTechnical

OT-2026-000097538

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000097538) never changes.

Identity and time

Publication numberOT-2026-000097538 · never reused
Internal UUID01a0aea1-55b4-7eef-8753-3c93fe1a40cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097538
StatusPUBLIC

Content hashes

Canonical textfc84612845ce792faf7ed0bb25ade89843466dd8c77d6690980b302f130fe123
Markdowna0eb4d238cad14c72d721c5859559b39643c6474a913d3ffc844d21d82a888ab
PDF
Publication page001ef359cc24ca4135abe846c62bf53ae3a1ac4419bfaa1d4963904738076bb1
Manifest8d2e18fa19b455f00a166e3ccd4926fe0375a0217014c7d9b80cb5d344a31055

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
SignaturerA8iF098IZABWb+xtBnqMumAeyVAkxCxlJ50Cw5FbPwcpHNiKM0Fk2OwiAB3YGm3OdTaDEcx20LBSiqK/xYZDQ==
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

2026-09-17T09:33:24.946697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097538
observed 001ef359cc24ca4135abe846c62bf53a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:24.928934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097538/manifest.json
observed 8d2e18fa19b455f00a166e3ccd4926fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:24.912437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097538/publication.md
observed a0eb4d238cad14c72d721c5859559b39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:24.895035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097538/publication.txt
observed fc84612845ce792faf7ed0bb25ade898...
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.