OpenTechnical

OT-2026-000074602

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000074602) never changes.

Identity and time

Publication numberOT-2026-000074602 · never reused
Internal UUID01a0ae93-717b-78a1-9af7-c07514cfdaf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074602
StatusPUBLIC

Content hashes

Canonical text484a3eb332c5e73b0f61a10b1149227a31dbc1e7e8eccc0443dd590a521abed7
Markdown913f3da08741ed2454ff47bea04ac5288161eddab60814d036d2c1a584b415f4
PDF
Publication page1993ea78f265597fc577eaa7e2a5bdd724add2aa59be5c863897d22ee3e413d8
Manifest1767b34815141fa9a2f9d49593b22b165251716acd68c816e99e09fff9096ee5

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
SignatureAy9qX0CYy0WsogYD0SZP9/3bWy4Gsya1BtCPpeYwfmL/tP3gnViWJdFLf5ybEiyBxYkTsKsi5eqNJjnSJDk4Bw==
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

2026-09-17T10:19:37.710473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074602
observed 1993ea78f265597fc577eaa7e2a5bdd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.691699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074602/manifest.json
observed 1767b34815141fa9a2f9d49593b22b16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.671945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074602/publication.md
observed 913f3da08741ed2454ff47bea04ac528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:37.653147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074602/publication.txt
observed 484a3eb332c5e73b0f61a10b1149227a...
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.