OpenTechnical

OT-2026-000075974

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, vented before 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-2026-000075974) never changes.

Identity and time

Publication numberOT-2026-000075974 · never reused
Internal UUID01a0ae94-2a00-7d6a-afc3-2876293efce6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075974
StatusPUBLIC

Content hashes

Canonical text4d8013e3936e8bbd5b7c7f1c4605e9449bb93e3396db5b5c476739de6b210247
Markdownd4c3a8a57e445e9ddac6fe976cdfb808bde98b90913946fbac0f7eb297bb31d1
PDF
Publication page89af8ac9c7806d94941200542542b86df3c677235f4b9f2be14977c85992a2bc
Manifest68005ae536aa69c98426f701ef3ae929c8dc39a8ffcc291a8f34fd79b6741661

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
Signaturen3QVgonJ+eBZbhF70M2jBaYhaWaAuAPIMVRvFKXW0B9mjA1hh+SG/WiONlnwxWqFbPVdrlDOfL3+U4bXcfXTBg==
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

2026-09-17T10:20:12.886488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075974
observed 89af8ac9c7806d94941200542542b86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.869534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075974/manifest.json
observed 68005ae536aa69c98426f701ef3ae929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.849327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075974/publication.md
observed d4c3a8a57e445e9ddac6fe976cdfb808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.826505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075974/publication.txt
observed 4d8013e3936e8bbd5b7c7f1c4605e944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:59.990529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075974
observed 89af8ac9c7806d94941200542542b86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:59.972933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075974/manifest.json
observed 68005ae536aa69c98426f701ef3ae929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:59.954241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075974/publication.md
observed d4c3a8a57e445e9ddac6fe976cdfb808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:59.804375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075974/publication.txt
observed 4d8013e3936e8bbd5b7c7f1c4605e944...
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.