OpenTechnical

OT-2026-000091435

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091435) never changes.

Identity and time

Publication numberOT-2026-000091435 · never reused
Internal UUID01a0ae9c-f16d-7b77-be61-d0821a43dfc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091435
StatusPUBLIC

Content hashes

Canonical textc6bd69fca46e814d3e528dd632ad45bc963c511cb6f359004466774c5be63247
Markdown194c239065099d0cbddf853fbd718a31a3a3cc0ac0294ec74db8e7b1ff7af66b
PDF
Publication page866ecf8c46102c15e04ded362bb27c6be0f6cf5e7b22b179ffb9d025ad88f292
Manifest684699ed7ac19d1444961d9739ba1872d963e38c188f869161d82702d573aef1

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
SignatureD752kPlH+QYuqjdxmoRCeF5dqcYx9yI4BDt3NajCt6TakKGhkz0F/+IYEkMqhgq2VuZcXmzExvZ/0cGbHvLiCw==
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

2026-09-17T09:43:40.608595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091435
observed 866ecf8c46102c15e04ded362bb27c6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.589609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091435/manifest.json
observed 684699ed7ac19d1444961d9739ba1872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.568239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091435/publication.md
observed 194c239065099d0cbddf853fbd718a31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:40.549786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091435/publication.txt
observed c6bd69fca46e814d3e528dd632ad45bc...
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.