OpenTechnical

OT-2026-000078634

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000078634) never changes.

Identity and time

Publication numberOT-2026-000078634 · never reused
Internal UUID01a0ae95-7c2a-7183-9309-5d99fc66e7f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078634
StatusPUBLIC

Content hashes

Canonical text165a37b55aaf5f3336ba5eda0b5d632d709f2914d755c689f7a94760b1cf1398
Markdown7fa0c69c1c7205e16e672046326ea9a2709ee52b0d8c4684c42e89309740af8d
PDF
Publication page9fbdf59f5bbf16dd3dba375b89ac84a8140acf72b220a308593a0c80b06e09ba
Manifest3de2d5d948c170142cfafd7817340bdde19df701904eab6c5c09a4fd30b00322

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
Signaturew26bwRpAqmKUsRLxQ7JqxrruqUt5Ikp4eCaeQQnPKtagGVUNl+hZagdoKyJV+hODWfMAXRQ3m43UCXo6oGLLBA==
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

2026-09-17T10:06:40.439744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078634
observed 9fbdf59f5bbf16dd3dba375b89ac84a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.422641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078634/manifest.json
observed 3de2d5d948c170142cfafd7817340bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.404783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078634/publication.md
observed 7fa0c69c1c7205e16e672046326ea9a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.386327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078634/publication.txt
observed 165a37b55aaf5f3336ba5eda0b5d632d...
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.