OpenTechnical

OT-2026-000073794

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000073794) never changes.

Identity and time

Publication numberOT-2026-000073794 · never reused
Internal UUID01a0ae93-2b8d-7848-9598-0f32afb47600 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073794
StatusPUBLIC

Content hashes

Canonical texte2012f757919dc2cd9ac9ff4f44cd1815041aa351556c5bc260668837abbcce6
Markdownde7f67b1d1f786b40a45a034e4d0ed7fe286942c2f9d5b633e9f8097bfc77198
PDF
Publication pagec73c6f1c405fa8be6fdf8ccf4b12d55d3027c0e25199fedbe00c172faeb84308
Manifest596949bf257198b8de2f5f6dd78ae8e44995ecd9ba3c0a4beb9e6912d3bf8412

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
SignatureKuD+s4/tydvc9iWiJWJp09ymKq+TNodjsjV/Gd3gcO2o57x31Ue11SayrQ3XX/tCd5plAp6OrxfiiCu672ukDQ==
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

2026-09-17T10:19:54.408201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073794
observed c73c6f1c405fa8be6fdf8ccf4b12d55d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:54.389658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073794/manifest.json
observed 596949bf257198b8de2f5f6dd78ae8e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:54.369990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073794/publication.md
observed de7f67b1d1f786b40a45a034e4d0ed7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:54.351542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073794/publication.txt
observed e2012f757919dc2cd9ac9ff4f44cd181...
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.