OpenTechnical

OT-2026-000073789

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000073789) never changes.

Identity and time

Publication numberOT-2026-000073789 · never reused
Internal UUID01a0ae93-2b8d-766c-8e72-fecd50dd2a99 · 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-2026-000073789
StatusPUBLIC

Content hashes

Canonical text434fcddb2ba2d2f5edf70a37e615d63ab7be72751b99247f9abd9f8ef30bee01
Markdownd3db1faaebbef3484ca450fd3e11eafc69bfc3831d555ec62320d1560b8dfff5
PDF
Publication pageee285a059f4edbd0cf6d7bb3d8612f83857032df86eed9b38e7222a8867f1300
Manifest5ae7ed47c8343cdc1109c759025a9bc186320e9d15226364a992d952acb8ade9

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
Signature+AyBco9n40heDthaQiTHS1HCYAFBxZ4LbIX2EHUDuFJt1sVaXOhn1915+kfivXOE4EbYEmPqGmFnqgqUyDGHCg==
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

2026-09-17T10:19:54.011428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073789
observed ee285a059f4edbd0cf6d7bb3d8612f83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:53.992532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073789/manifest.json
observed 5ae7ed47c8343cdc1109c759025a9bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:53.973008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073789/publication.md
observed d3db1faaebbef3484ca450fd3e11eafc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:53.952704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073789/publication.txt
observed 434fcddb2ba2d2f5edf70a37e615d63a...
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.