OpenTechnical

OT-2026-000075504

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000075504) never changes.

Identity and time

Publication numberOT-2026-000075504 · never reused
Internal UUID01a0ae93-f202-7570-96d7-20bbf2582497 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075504
StatusPUBLIC

Content hashes

Canonical textc67ac99eee4e44575bb00609617aef4b3a88a5eaec6374a7b93a233920c720ff
Markdownd8cb2ed4b048867d6cf0c0d95223ea7ff2bb8e9c287ed2ade672c090f699e16e
PDF
Publication pagef6e807b8ec02f3301379fadd057cba3e617a92916f2504dba7b2ea7972d21d2f
Manifest0254c39cd3a753f5a7101d2f298ae43c97e202b13683f53cf1f770e81ba92b21

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
SignaturexsUnfGpEQlGEQ7oDrlBVrD3i5I8wtXYfV9o+NHqUXs6RYP1fBorSs2HFSZ8rhhP+yhFUHU9QlvojtiX6mYXZDQ==
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

2026-09-17T10:17:55.769392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075504
observed f6e807b8ec02f3301379fadd057cba3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:55.749941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075504/manifest.json
observed 0254c39cd3a753f5a7101d2f298ae43c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:55.730669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075504/publication.md
observed d8cb2ed4b048867d6cf0c0d95223ea7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:55.710326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075504/publication.txt
observed c67ac99eee4e44575bb00609617aef4b...
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.