OpenTechnical

OT-2026-000068191

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000068191) never changes.

Identity and time

Publication numberOT-2026-000068191 · never reused
Internal UUID01a0ae8f-c4ff-7ae8-8ef8-8c0124b59172 · 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-2026-000068191
StatusPUBLIC

Content hashes

Canonical texte682b7dbf9d08102b7a07e37bd0e493c00e2192b4cf7c12517f2b41f4699b1a9
Markdowne05b6fe8f95514d8ed31b55d251977542bffe623a462b7ba49f20a5fcc68843d
PDF
Publication pagebbcbc5cd74b1c0197b1461a57848a7f08c918e3945d88859fa03d0a5ebdc0280
Manifest0bbb2f83b3a9a1cbddde195548bde2d74d81f8e4030b586b2c152a0c131460bd

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
SignaturekU2+8jSLw+VNJUyk3Q/krKx5h5LaDS9r9eY+XTOywJNPxoF9AknKoWAx5TKlW390DPFOV6oGe7XCDwCRe1K8DQ==
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

2026-09-17T10:30:51.091998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068191
observed bbcbc5cd74b1c0197b1461a57848a7f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.074600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068191/manifest.json
observed 0bbb2f83b3a9a1cbddde195548bde2d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.057960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068191/publication.md
observed e05b6fe8f95514d8ed31b55d25197754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:51.037475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068191/publication.txt
observed e682b7dbf9d08102b7a07e37bd0e493c...
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.