OpenTechnical

OT-2026-000017436

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000017436) never changes.

Identity and time

Publication numberOT-2026-000017436 · never reused
Internal UUID01a0ae6e-76c9-7b61-a13d-91ebf587c5ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017436
StatusPUBLIC

Content hashes

Canonical texteff22c74661044ad87e65d04d123e7e0150b0d9e65e280e6468f8430155237bb
Markdown4828450c98251a772a86327d7c42f537145195e24407cdf9b5b90a5838555d78
PDF
Publication page0bbaebc02372d1dc6670567efed92ab0e0f12f63f048e3845ad6f91aaf6b5d1f
Manifest98392545cfb856cfd703fd83b7b4d4474991853367bad70c2861a1bdb52327b3

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
SignatureIx5b8HgjNsI0qQZHEQmnrD1nYTiktxmvgOtyNQQhJ3KSvuOzUKD22JkVHAGzd2qE/enHKncTdx1XSHGPT43/Cg==
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

2026-09-17T12:02:34.179799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017436
observed 0bbaebc02372d1dc6670567efed92ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.162906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017436/manifest.json
observed 98392545cfb856cfd703fd83b7b4d447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.147116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017436/publication.md
observed 4828450c98251a772a86327d7c42f537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.130410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017436/publication.txt
observed eff22c74661044ad87e65d04d123e7e0...
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.