OpenTechnical

OT-2026-000069778

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000069778) never changes.

Identity and time

Publication numberOT-2026-000069778 · never reused
Internal UUID01a0ae91-185f-7214-acf3-e7106bedf1a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069778
StatusPUBLIC

Content hashes

Canonical text49642523b31a2e4f602b3b36abe724c000380b79b46bbc99cc7d44f02e38b9d2
Markdowna0295f388b98f4de188b755b114d000602f5ce8b0fe388faadac91d4c015a4dd
PDF
Publication page4ae0e320c59752e8baa12eef1416b37f1899ef7943b487eac0ab04e264d3f08c
Manifesteec2f9012ee61b348a4f7ab3fe6b4e3aa4d5edc4efeb12218955ea6870d06b68

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
SignatureB/mK867KlTZXBXQ/HfWMDqVLg4XS9S8gvTDwDDZ/rukIjX2jozwW2UEs2z8zK41AZaro87i4shec8xqrB2bxDw==
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

2026-09-17T10:26:36.537030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069778
observed 4ae0e320c59752e8baa12eef1416b37f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.519731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069778/manifest.json
observed eec2f9012ee61b348a4f7ab3fe6b4e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.501939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069778/publication.md
observed a0295f388b98f4de188b755b114d0006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.484127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069778/publication.txt
observed 49642523b31a2e4f602b3b36abe724c0...
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.