OpenTechnical

OT-2026-000063104

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum 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-2026-000063104) never changes.

Identity and time

Publication numberOT-2026-000063104 · never reused
Internal UUID01a0ae8c-94aa-72c4-90b5-894aaa005b36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063104
StatusPUBLIC

Content hashes

Canonical text36713323ef9f9f11c1d1dde2683d4b0578d72c657f4bfa40b75f83c648958043
Markdown10b294fcd8821769a328452077e1bb64de51cfda87a82e56155e9e55602a65aa
PDF
Publication pagebdec8b3865afa21d1c6d6c7130d6b3502b166c6e2f94bb59aeb715e4ce0d8d99
Manifestb48c5ef8cddc8009720dc8ebb94475d5dab3fe5f87782bbc9a22917cfa76cdbb

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
Signature6McRHl1j6u0w6yNtfKA57LOf7ZKpR6gq9XqS9hS0MJrCA7pZaAEhsSqtcn1p6ym0nKG6MQ0GHX6ir/DPEr4bBw==
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

2026-09-17T10:38:52.770041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063104
observed bdec8b3865afa21d1c6d6c7130d6b350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:52.751866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063104/manifest.json
observed b48c5ef8cddc8009720dc8ebb94475d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:52.733975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063104/publication.md
observed 10b294fcd8821769a328452077e1bb64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:52.717536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063104/publication.txt
observed 36713323ef9f9f11c1d1dde2683d4b05...
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.