OpenTechnical

OT-2026-000006832

Publication integrity record

Bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000006832) never changes.

Identity and time

Publication numberOT-2026-000006832 · never reused
Internal UUID01a0a968-f47b-739d-8aa9-e4977c6453b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:50:22.974699Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006832
StatusPUBLIC

Content hashes

Canonical text179ccb6e5b819a665eae26f9ab0e3da247cd2c342812bb64565b58dd9bc4e369
Markdown78266eaff55d2f982b9c9617e93c9982944d1411afaa05bc37e8afde5b0f7474
PDF
Publication page819efa1cb60a51a845b79368b167caba0bb6b449219c26aa21ba2edcc6d69bb3
Manifesta451656ecddbaa06f0225bbea6de0918ed066e92262c5726bb9242b2fc14c079

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
Signature/daJ3G3DObvRdy3zs8EgFaU0p/i/h5j/8E6BI0tXRrKgfPvCajG/gtOid4ZEPYu/l8o6IiappUKWYNWq7KbLDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:31.211183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006832
observed 819efa1cb60a51a845b79368b167caba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:31.197894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006832/manifest.json
observed a451656ecddbaa06f0225bbea6de0918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:31.185870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006832/publication.md
observed 78266eaff55d2f982b9c9617e93c9982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:31.171590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006832/publication.txt
observed 179ccb6e5b819a665eae26f9ab0e3da2...
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.