OpenTechnical

OT-2026-000048476

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000048476) never changes.

Identity and time

Publication numberOT-2026-000048476 · never reused
Internal UUID01a0ae80-4de5-79c3-bbe3-20e10febe56b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048476
StatusPUBLIC

Content hashes

Canonical text50ff8991eaf6904c606301c5eefaed1c7ff12e2f5071ffb8ae0161377171d3bc
Markdown78872a94d67721b1a19a1fbc00fb0f4433c0f9a41a352c532f68f2db81fd8b75
PDF
Publication page8e3a37ca68ee37c9eda094ad46bcfa6fcd49853c0f1d5afd47d141f1abaeb873
Manifestc29c21e9f6f1173940ac5d685fffa97df51c41fe8407b33eb020f80032b8a6a6

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
Signaturept7Y2UC/9GXOHefm2yYbrBd27It1QcKsY00iZkcSAP2NxgSi7JUdAjfAyYRszDM8lIvcCpz6WHcsJ53Z7sKxBg==
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

2026-09-17T11:05:08.485299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048476
observed 8e3a37ca68ee37c9eda094ad46bcfa6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.467901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048476/manifest.json
observed c29c21e9f6f1173940ac5d685fffa97d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.449678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048476/publication.md
observed 78872a94d67721b1a19a1fbc00fb0f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:08.429852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048476/publication.txt
observed 50ff8991eaf6904c606301c5eefaed1c...
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.