OpenTechnical

OT-2026-000006776

Publication integrity record

Vacuum cup gripper, common isolation valve, two outlet manifold, plant vacuum fed, polyurethane cups

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-2026-000006776) never changes.

Identity and time

Publication numberOT-2026-000006776 · never reused
Internal UUID01a0a967-057d-7148-b61c-dcc4ddd3d79f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:48:16.376043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006776
StatusPUBLIC

Content hashes

Canonical texte15832e0d8c80288cac0a2cde9ac9001b7e7c33790129b3900c516a148cd2a5e
Markdown517d0a00875eec9e5f382b01af730f1103dd986934085b06007664a3cf574809
PDF
Publication pagee0352484974e5ec111136a887a800d1815fcb5d61308d9a8699f9456c303fda3
Manifestf35acfbd6f11ddf026446e471d2f9d7ba0dc7d66f53a3c0d33b89218b82fa14d

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
SignatureqmxM0+Q1Zwpp5RKkctcINBZ/qHCZd7iUOTC1OH/+7wS8xNBBYrJ/gDngxGEBboswtZqJnajDGnyXsm65Qu3ZDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:07.669958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006776
observed e0352484974e5ec111136a887a800d18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:07.656459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006776/manifest.json
observed f35acfbd6f11ddf026446e471d2f9d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:07.643399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006776/publication.md
observed 517d0a00875eec9e5f382b01af730f11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:07.629787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006776/publication.txt
observed e15832e0d8c80288cac0a2cde9ac9001...
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.