OpenTechnical

OT-2026-000076516

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000076516) never changes.

Identity and time

Publication numberOT-2026-000076516 · never reused
Internal UUID01a0ae94-6a71-72be-9350-eca2836dad0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076516
StatusPUBLIC

Content hashes

Canonical text0329af38c59cf74caa17e4a7d7bfe4467a59a9021ae15b77b69025f1226a5aa6
Markdowna7e259a0a2467ac78c58bc7ab874fdad3b2bb6d6198fd0fbfd2d2a611855dfbd
PDF
Publication pagec874dd83d65ef0737034dba2cbd56e222552dafe4b0adc1ae66090c1c9bfe9b0
Manifestedc6fe449fd36aff4b067f0db6633c5eb84dbff64bc3b47067b2e64a6058ccbc

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
SignatureVBgPfpQZTvlSgK0NOCG9i3x1X7AyMeC+XjGdWnOeOdZ5Tp3BeW04IoxpmeAshyCtqDRLEsIh+ox9+YfYMwUkCw==
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

2026-09-17T10:12:49.786335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076516
observed c874dd83d65ef0737034dba2cbd56e22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:49.766655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076516/manifest.json
observed edc6fe449fd36aff4b067f0db6633c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:49.748086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076516/publication.md
observed a7e259a0a2467ac78c58bc7ab874fdad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:49.730082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076516/publication.txt
observed 0329af38c59cf74caa17e4a7d7bfe446...
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.