OpenTechnical

OT-2026-000068108

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000068108) never changes.

Identity and time

Publication numberOT-2026-000068108 · never reused
Internal UUID01a0ae8f-c4fe-782f-9281-87456dc336e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068108
StatusPUBLIC

Content hashes

Canonical text7f8f1e6e3b7b7ebcfd9fb106a6683f3f56e032754cb040b997e7d7f3f98203f5
Markdowne3732a582502a7c706d38778fbaf1cce83a78ad9c8f1a5f1bf4cf1a085f086d2
PDF
Publication page5511f3c93cf8e4a158b19882d1009d101c775d6d362b12a75f101a8f4e6384b9
Manifest5d96168d43b6493280067b85e0902561f407c991965f429a4ac3d880e4e77db8

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
SignatureYYK1wsAf0guVZBULvKhYDIaOFWxd7aUFdbQsHswxivI52u2U2q1GxZdvgcXu5b3dMv3WMEyuvGiiPkwfzc5NCQ==
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

2026-09-17T10:30:44.615228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068108
observed 5511f3c93cf8e4a158b19882d1009d10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:44.595067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068108/manifest.json
observed 5d96168d43b6493280067b85e0902561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:44.351584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068108/publication.md
observed e3732a582502a7c706d38778fbaf1cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:42.504708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068108/publication.txt
observed 7f8f1e6e3b7b7ebcfd9fb106a6683f3f...
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.