OpenTechnical

OT-2026-000071896

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000071896) never changes.

Identity and time

Publication numberOT-2026-000071896 · never reused
Internal UUID01a0ae92-47c0-72fa-9bfc-31ba7e7cfdf9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071896
StatusPUBLIC

Content hashes

Canonical text372e8f007903f42e72049cce5f04da0f4112fc99ede4f0fce1a36efacfa1427a
Markdownff859859701a5e2c4696d077be0d6cc1d988a6c30a0c065c6269a9056f7d83ca
PDF
Publication pagead82c3de46ec0f2f78b290d8e54be9fc5b16265351ec813a1519c6066bdc71d7
Manifest337ef430dcd8bbe5a28e53fe2f30429cb17f85c5d2751cad05cebfe538a4868c

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
SignatureCYFu0vzmbZfmlDh0fKXkXzxwhf/j5jLg2fQVn9KWz51c9X/VK2PKJTWypCQOoN01qzsLDSWkrubZg8FEXldvCQ==
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

2026-09-17T10:22:55.152907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071896
observed ad82c3de46ec0f2f78b290d8e54be9fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.133402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071896/manifest.json
observed 337ef430dcd8bbe5a28e53fe2f30429c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.113612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071896/publication.md
observed ff859859701a5e2c4696d077be0d6cc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:55.090951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071896/publication.txt
observed 372e8f007903f42e72049cce5f04da0f...
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.