OpenTechnical

OT-2026-000087524

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000087524) never changes.

Identity and time

Publication numberOT-2026-000087524 · never reused
Internal UUID01a0ae9a-cd51-7c98-81ec-12505bce6bbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087524
StatusPUBLIC

Content hashes

Canonical text76c63e64e5c7282729a73454bb893d0242d7ffee3b0de295e2b8c905a569313d
Markdowndd8e001c4e9ae75890644a1548011d61c2ac1ae21b2336c5c798030028416d1f
PDF
Publication page6680cb1b191adbb45fe9990ca8d1787e8e12d7279bc9ebca1759e08bd23bd60c
Manifest7764cb8d0ad8af976c42d65dce72be229b249c4c08368b38d3ab42dd365213f4

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
SignatureJLcvgVzezSvol06OQr4uYiEi5nxQxK8soOYXgS/aH0GzqBA7usr0/GkAMfiCWZQF9y9nIVgHa1rfK6aNrxt2Dw==
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

2026-09-17T09:50:51.674894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087524
observed 6680cb1b191adbb45fe9990ca8d1787e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.658525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087524/manifest.json
observed 7764cb8d0ad8af976c42d65dce72be22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.642995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087524/publication.md
observed dd8e001c4e9ae75890644a1548011d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:51.626886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087524/publication.txt
observed 76c63e64e5c7282729a73454bb893d02...
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.