OpenTechnical

OT-2026-000059828

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, sustained blow-off after 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-2026-000059828) never changes.

Identity and time

Publication numberOT-2026-000059828 · never reused
Internal UUID01a0ae89-ec25-7e49-93e7-52038c46d337 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059828
StatusPUBLIC

Content hashes

Canonical text4002f9b53c6c21febee53ea8688c6163352adc882e0fe844303f069bc3d0fb24
Markdownfca7805ebb9528107c5b70b43579db35cd8bf0938ebfb46d196cb89e38709404
PDF
Publication page84404acc66fd83a7bd3155ff2271418a924c1ed66f1c30bf78c5d4d82680a6b3
Manifestd65327cd09ae0ca9153a87c58c4411d5f383ed23e10a02e456e6c27ae8b2412d

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
SignatureYJ/5wKoR4+mZDdvB0ogQIikuO9POx9cC1CSzpivrMW/Hd4koblBArSWEGjAi/V6AGS83js2JZlxjnR7qPM2tAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:34.396763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059828
observed 84404acc66fd83a7bd3155ff2271418a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:34.377911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059828/manifest.json
observed d65327cd09ae0ca9153a87c58c4411d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:34.359418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059828/publication.md
observed fca7805ebb9528107c5b70b43579db35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:34.340251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059828/publication.txt
observed 4002f9b53c6c21febee53ea8688c6163...
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.