OpenTechnical

OT-2026-000103505

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pulsed 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-2026-000103505) never changes.

Identity and time

Publication numberOT-2026-000103505 · never reused
Internal UUID01a0aea4-e461-7b74-ba9f-8dd61a53dff2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103505
StatusPUBLIC

Content hashes

Canonical text75979d2734e5e8cf4b40519f4c741723eceaa149cba4b06708455fd8b019a059
Markdownfcbea934b6c65e1e66856f156b62449d5985ad9a0f3cbdb1e4d470a9b0f2f13a
PDF
Publication page7891edc1e42db1e5ca6f547f2047dd2887aa29bdaefa1d1db1a4a6211f56a5b2
Manifest0737b7399ab84e5b6b8937a5eb3ec8ffe1d310bd399f6dd7455b3590456d0421

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
SignaturevJp/ZlATO0FNSrmDC4oBf8fCfQXxK/L5lEO2X7eVrS1eBHmlDVFKrHPb1++eO6kTPzpKVZlSvxi6K2x5F2yJDg==
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

2026-09-17T09:22:16.349516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103505
observed 7891edc1e42db1e5ca6f547f2047dd28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.332967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103505/manifest.json
observed 0737b7399ab84e5b6b8937a5eb3ec8ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.316259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103505/publication.md
observed fcbea934b6c65e1e66856f156b62449d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.300893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103505/publication.txt
observed 75979d2734e5e8cf4b40519f4c741723...
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.