OpenTechnical

OT-2026-000070511

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000070511) never changes.

Identity and time

Publication numberOT-2026-000070511 · never reused
Internal UUID01a0ae91-5460-7f9f-8e46-a2e90793b2b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070511
StatusPUBLIC

Content hashes

Canonical textd983aa0d9ce4899de7a046f1601a56132f5d0d581ad33365b4ed9a212cbcf09d
Markdowndb16c8154d66995abfc7dd9512437e70c4af37922419ca953d2d349567ee887f
PDF
Publication pageaa1dc4ff632e54f36da900bfbea4d74aae0cdb1847c08c1c5b34f5b331e4d59b
Manifest5ef0fb4d333b35456c2200cf25618f80f7c62f940daeaf1f4feea0f48f30dab8

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
Signature0Vzok154Vyhn9FG2bhpnAm2/M8eahJHYAWiN66nXZv4Rmw8HdY6CIjVGq0Ubb4HXjpcjC3op//T4qudPc7InAA==
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

2026-09-17T10:26:21.177961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070511
observed aa1dc4ff632e54f36da900bfbea4d74a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:21.160110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070511/manifest.json
observed 5ef0fb4d333b35456c2200cf25618f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:21.142539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070511/publication.md
observed db16c8154d66995abfc7dd9512437e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:21.124702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070511/publication.txt
observed d983aa0d9ce4899de7a046f1601a5613...
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.