OpenTechnical

OT-2026-000053318

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000053318) never changes.

Identity and time

Publication numberOT-2026-000053318 · never reused
Internal UUID01a0ae85-0a15-76cc-941b-c6c26f126940 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053318
StatusPUBLIC

Content hashes

Canonical text35545b829be48629552c449fb69d2f4e526c534e980d333f0d9bc2baab7c6e61
Markdown0b7dac6abf8b5b563c8ea19395a42991b15cbce11c704d50b01bb184e8f9613e
PDF
Publication pagee3e5af8b1adba75fa94b0ae63784dcca36ea78d3f66ee55c5affb5ab9a50481f
Manifest291a349467764c76aafb7649cd82d926d2fc1d9a44bb89ac3d79a577ac8887c9

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
Signature7ImdD1oKdCPpltQw1PvXIvOiA0NyRMXQWJPPdn+R9p35m+sdRprPDvc2c3G6hv1t6MctI67CDC8UlIToEwZtAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:00.817415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053318
observed e3e5af8b1adba75fa94b0ae63784dcca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:00.795701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053318/manifest.json
observed 291a349467764c76aafb7649cd82d926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:00.776724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053318/publication.md
observed 0b7dac6abf8b5b563c8ea19395a42991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:00.756635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053318/publication.txt
observed 35545b829be48629552c449fb69d2f4e...
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.