OpenTechnical

OT-2026-000085741

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000085741) never changes.

Identity and time

Publication numberOT-2026-000085741 · never reused
Internal UUID01a0ae99-aaae-7c44-944a-fe27b121759e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085741
StatusPUBLIC

Content hashes

Canonical text3dc1ed07db22dbfd55c0d4b7146603fb350d74d932c81f6eeaabe624a4dc2939
Markdown654b2962e18072120dce8c273dfdc5de09bc025bb400d90221143ef8ec60910e
PDF
Publication page84dfa968290cfdc265b3641549cf2fd25ea40bd437a7d05e964639e429092f21
Manifestc654874b96a3ffc5b0ccf997735c06045e0543f0a596f77b4e02a99d476910b8

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
SignatureP0jX3iVMnHxyjxej4VGiH0FfRkFt5/AlR1JsDU/0aZYGvGJLBsZQyHIH8/5PBoD0gjgXAC0RSEQGXQrpe8ZJAQ==
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

2026-09-17T09:54:39.391510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085741
observed 84dfa968290cfdc265b3641549cf2fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.373493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085741/manifest.json
observed c654874b96a3ffc5b0ccf997735c0604...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.353800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085741/publication.md
observed 654b2962e18072120dce8c273dfdc5de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.336127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085741/publication.txt
observed 3dc1ed07db22dbfd55c0d4b7146603fb...
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.