OpenTechnical

OT-2026-000074988

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold 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-2026-000074988) never changes.

Identity and time

Publication numberOT-2026-000074988 · never reused
Internal UUID01a0ae93-ac2d-7e25-988d-6b2ca61c170c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074988
StatusPUBLIC

Content hashes

Canonical textf959af96df9f72bc5643b2f706d80b920518bd051d947af97564ec6c8db4c93f
Markdownabdb81ca991b032a853d4c47b09aa06dda20e1af06d3eee1d8c9abed5b02ce2b
PDF
Publication page848d6742e37fb8608c4d834d971388ce84b43d3ad34db1284a7c7140adb837db
Manifestd53476f5e3f1a8f2e193fc74050580f61d8f54448a74ea442e6e9e1781a2c9f3

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
SignatureGS/qGd0t8gBjBXuuTcIVhwf812jOiwfcUCWbY0pq8JnDnh74uJJfoEXZxZSTJIHbxdT3tf59jauE3nFnS/HVBg==
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

2026-09-17T10:18:47.640903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074988
observed 848d6742e37fb8608c4d834d971388ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.624074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074988/manifest.json
observed d53476f5e3f1a8f2e193fc74050580f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.605644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074988/publication.md
observed abdb81ca991b032a853d4c47b09aa06d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:47.587468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074988/publication.txt
observed f959af96df9f72bc5643b2f706d80b92...
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.