OpenTechnical

OT-2026-000093117

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line 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-2026-000093117) never changes.

Identity and time

Publication numberOT-2026-000093117 · never reused
Internal UUID01a0ae9e-0910-7b57-b853-a917c685f6a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093117
StatusPUBLIC

Content hashes

Canonical textecc7e1436c0c251ce57b7c54d7b28505fa56b7823d966805f99d041b890d4984
Markdownf5fdf5c4d68707bae8eec1edec05192c92ac02825c71b276fea5fdbe7c0b290c
PDF
Publication pagec985a6465453d834ca0cce819e1868cc057fbeb625ebaa6332f190e88cdd6135
Manifest32e1a3957a10c563bcd22737927836de175685943d7a15057a1ca55175d4bad1

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
SignatureIMSfbMGc60DHURBKD7a1F6j/eFXXSGDHvc4/5EGIGXqW7ujsJZzqoG5IIpn8KDzgNttRE8RnqfcjFgQejQ6RAw==
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

2026-09-17T09:40:24.142437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093117
observed c985a6465453d834ca0cce819e1868cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:24.123020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093117/manifest.json
observed 32e1a3957a10c563bcd22737927836de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:24.102292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093117/publication.md
observed f5fdf5c4d68707bae8eec1edec05192c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:24.083983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093117/publication.txt
observed ecc7e1436c0c251ce57b7c54d7b28505...
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.