OpenTechnical

OT-2026-000089351

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000089351) never changes.

Identity and time

Publication numberOT-2026-000089351 · never reused
Internal UUID01a0ae9b-db01-7d7d-9d54-3886fb685794 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089351
StatusPUBLIC

Content hashes

Canonical text4abe0d37b1bb781ccfc00259f8c09058000381007f67e4c5a398b39de02736e6
Markdown27654e900ca19173791110def58f20c075f779165b7e54bc246a7d17f1e07ac5
PDF
Publication page23e8f6581596edd8021a36e1006a214598f9aefe1bcf527a59cc3e9726e2380d
Manifesteee5eea67f2d386e3f3bc5ac49cb6bcfbd978b756c73765f6f61e324977a3c5d

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
SignaturebNHiaTy47YyrVNck4vfUyhI63eRbLry88fjqUpQ5E5/31NyGukxVIy9+O1isIexNpyRyFzCb7KiRESDHdR1KAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:24.409642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089351
observed 23e8f6581596edd8021a36e1006a2145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.392729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089351/manifest.json
observed eee5eea67f2d386e3f3bc5ac49cb6bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.376741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089351/publication.md
observed 27654e900ca19173791110def58f20c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.360008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089351/publication.txt
observed 4abe0d37b1bb781ccfc00259f8c09058...
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.