OpenTechnical

OT-2026-000061350

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, vented after set-down

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-2026-000061350) never changes.

Identity and time

Publication numberOT-2026-000061350 · never reused
Internal UUID01a0ae8b-1384-72ea-8b25-bdeb0add5706 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061350
StatusPUBLIC

Content hashes

Canonical textdd2bc2f5ee8aa7de40ec3625da529ddf036db3165eb0492fced79b09c0e0a1d4
Markdownb72ab324434a9133c437981264744131f5ff0d3e967e8af8b2515845b160c5f2
PDF
Publication page6c898b30e392283cd5f45c57fb1c6a2918db6f01d171a6cf0929b3d39b58ca32
Manifest6cf87a303601521672ae911c9f6be65a77e0665ff3bdf63c675c1f8c1917ca4b

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
Signature6QEqa2MRgb/WMA7hC/m6oCZfbbg2kpEcBJUvrk55Aitwu6KZAoeTlHCMWzIG25TnlJ6dhMj+Yz5FCe/Z6QKUBg==
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...

Independent retrieval

2026-09-17T10:42:47.694411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061350
observed 6c898b30e392283cd5f45c57fb1c6a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:47.675741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061350/manifest.json
observed 6cf87a303601521672ae911c9f6be65a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:47.656143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061350/publication.md
observed b72ab324434a9133c437981264744131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:47.637810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061350/publication.txt
observed dd2bc2f5ee8aa7de40ec3625da529ddf...
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.