OpenTechnical

OT-2026-000078109

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000078109) never changes.

Identity and time

Publication numberOT-2026-000078109 · never reused
Internal UUID01a0ae95-6e8c-7aa4-ad23-2e129a795517 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078109
StatusPUBLIC

Content hashes

Canonical textc2fcdefc20fbb5ee317a614c1c9944b412fcbf662192a5db978add2b110db80c
Markdown580bde28cfa58544c78f22485464bf487a9873ed5919e611a3d60bc7235c1b0d
PDF
Publication page0a41521b1425ba393d0a49824167e7f622cc29f644d509221e5c4a357cb00fd8
Manifest671e776094af755eb1a404e46b407d15e9a4b3c81a64edcce231bf3adbbddf08

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
SignatureoJ2gYNHgXHASaU8+aPoOZfJNAOMq9LBQMwNG8SxLGrwvvYlbUgapQ0Fhguj53b3h1/GyaT8qG/SPh7ygtYWICQ==
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

2026-09-17T10:06:49.108196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078109
observed 0a41521b1425ba393d0a49824167e7f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.091615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078109/manifest.json
observed 671e776094af755eb1a404e46b407d15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.074132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078109/publication.md
observed 580bde28cfa58544c78f22485464bf48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.055334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078109/publication.txt
observed c2fcdefc20fbb5ee317a614c1c9944b4...
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.