OpenTechnical

OT-2026-000071120

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000071120) never changes.

Identity and time

Publication numberOT-2026-000071120 · never reused
Internal UUID01a0ae91-e0eb-7dea-b06e-d7cd01209daa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071120
StatusPUBLIC

Content hashes

Canonical textaded155e3c529d30b6f83f852221ea7de510be8247de68916de8d8d350a3ed86
Markdown7730956d14b4b161bd17a4f170a45c6413ec52ada318622287e63d5b8075313c
PDF
Publication page38350ebe5bd4df09f76d2e8a0cd3e2ea5316c1ecb35ec0fae8a2c66cf59ded68
Manifest85492a2312fda9d944e4b268b0d92420cc46ba6315ab7460eaf57ec3d8833d6a

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
SignatureXwYzTz1HddoQDhA7gDyeth7jt+Qme+wFrm65eK4sTQy5nDAyz2081jI9oeMKZzTvSle8736vBjNiwxlwpnMcAQ==
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

2026-09-17T10:24:36.878241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071120
observed 38350ebe5bd4df09f76d2e8a0cd3e2ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:36.859651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071120/manifest.json
observed 85492a2312fda9d944e4b268b0d92420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:36.840499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071120/publication.md
observed 7730956d14b4b161bd17a4f170a45c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:36.821339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071120/publication.txt
observed aded155e3c529d30b6f83f852221ea7d...
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.