OpenTechnical

OT-2026-000100818

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000100818) never changes.

Identity and time

Publication numberOT-2026-000100818 · never reused
Internal UUID01a0aea3-66f5-7154-be21-cc0ea3c7cfdc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100818
StatusPUBLIC

Content hashes

Canonical textde6d2cdc28d26e65899390812eab7def7f1e0a10cb02d2420ceaf771e817509e
Markdown06a807e25243ec9d0ffebccc101aaa9a7c9a56143ccfa50c1109b4525dbfdf3d
PDF
Publication page9783591b6dd84cecd04c0c11933674d23bb45fc73de62a730694c2dfd50c55bf
Manifestb9b93c799f55dd5a1ee17b6ed3fa15a8008d8f47611b305ceb3b9709c1af59ae

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
SignatureB+ufXAlwsg7IhOgZQ5VVUg/hvr3MYG02BEXeZD8UwWvzVGrbYz2hEEtuNPpDUXg4SpcO0mj0wKkjBS/GqutGBQ==
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

2026-09-17T09:27:44.259945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100818
observed 9783591b6dd84cecd04c0c11933674d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:44.240678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100818/manifest.json
observed b9b93c799f55dd5a1ee17b6ed3fa15a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:44.220558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100818/publication.md
observed 06a807e25243ec9d0ffebccc101aaa9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:44.201543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100818/publication.txt
observed de6d2cdc28d26e65899390812eab7def...
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.