OpenTechnical

OT-2026-000043537

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained blow-off after set-down

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-2026-000043537) never changes.

Identity and time

Publication numberOT-2026-000043537 · never reused
Internal UUID01a0ae7b-92cf-741f-bc37-1efa5161c3ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043537
StatusPUBLIC

Content hashes

Canonical text654f37e316922526f923d44ee3f6c14dd6ccf8dffde38058f10f3af4fd9159d4
Markdown05b0a79926ffa2eb3e4a8082abcb92b59e8ff06cfc3bc6a0b26bf65c880cebbc
PDF
Publication page29e14fcd3c0f4cce30725b885dd66b8520cee6fa2c3a0063c7aee27c9b1ed7ff
Manifest1a8f5553d695b8a0612271ee241aceeba83eca9eacb951f850dab73aff60d9f9

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
Signature1IvCbCtQ/0539dNoVTTy3JAxNyS/XHV2chQXRti30IxlOlfWr/MdbAN2tI0ucI4FmaCbFPVaMMr5+ts41KR7DQ==
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

2026-09-17T11:12:55.107514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043537
observed 29e14fcd3c0f4cce30725b885dd66b85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:55.088072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043537/manifest.json
observed 1a8f5553d695b8a0612271ee241aceeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:55.068071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043537/publication.md
observed 05b0a79926ffa2eb3e4a8082abcb92b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:55.047552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043537/publication.txt
observed 654f37e316922526f923d44ee3f6c14d...
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.