OpenTechnical

OT-2026-000061728

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000061728) never changes.

Identity and time

Publication numberOT-2026-000061728 · never reused
Internal UUID01a0ae8b-b8aa-7a6d-b851-1a86d5138e7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061728
StatusPUBLIC

Content hashes

Canonical textc51ce5a854a6a28818aa1a00d0ad176c5f544cd127399566186bcb029db904b9
Markdownb8d2eb72c69fbcb910d1cba6c1f3ca253d955022da4ec7a1b9986edfb2a5b8db
PDF
Publication page4b42edf4f2457a7ca59f79769f499ed67eab26e6a6fed6c069cf01d291132d39
Manifest94ddecff065b5b7d8b62a3f9c62bb7b623bec6ae682b3a28dca974d0681e541d

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
SignaturevuiPpfIewCZ8RH2f/yHOodxGUipxOwcnKX6QjuKRJgRrohijVr07gsDLPRuMAjH7B6a5Bj9GdpRZrDS8TmOXCw==
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

2026-09-17T10:40:18.578525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061728
observed 4b42edf4f2457a7ca59f79769f499ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.557204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061728/manifest.json
observed 94ddecff065b5b7d8b62a3f9c62bb7b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.535187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061728/publication.md
observed b8d2eb72c69fbcb910d1cba6c1f3ca25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.514918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061728/publication.txt
observed c51ce5a854a6a28818aa1a00d0ad176c...
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.