OpenTechnical

OT-2026-000093098

Publication integrity record

Four bellows 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-2026-000093098) never changes.

Identity and time

Publication numberOT-2026-000093098 · never reused
Internal UUID01a0ae9e-0910-7209-bd9d-b7014fd74783 · 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-2026-000093098
StatusPUBLIC

Content hashes

Canonical text3dac032414937590f26373620f3f2807f528ea8f47fa759c82366a9143b3c63c
Markdown5164662b9cfce18d8560d77cc8ad9dc884b73ce6b51e7cb8063623c39cda074f
PDF
Publication page954fd0f558cab285522b8206577734ecf40eeb07da5a58d953d05d97524f513e
Manifest9c6393cb02b45c25b0e7959fcb839ae9c4e4661445a3f894cdfd940c044a2a75

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
SignatureY4mksUvSidh5rsB8fLqeQq/7Wo9qShWFOtYFADPoApyfOGj2r1gtoPXRzHAulLMxUh3zaVLM+n4+KL/NP69qDQ==
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

2026-09-17T09:40:21.083080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093098
observed 954fd0f558cab285522b8206577734ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:21.063501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093098/manifest.json
observed 9c6393cb02b45c25b0e7959fcb839ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:21.045717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093098/publication.md
observed 5164662b9cfce18d8560d77cc8ad9dc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:21.025881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093098/publication.txt
observed 3dac032414937590f26373620f3f2807...
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.