OpenTechnical

OT-2026-000064708

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000064708) never changes.

Identity and time

Publication numberOT-2026-000064708 · never reused
Internal UUID01a0ae8d-deb9-70f8-8b56-b34eab094702 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064708
StatusPUBLIC

Content hashes

Canonical text1f54f93f7de9a29b2866d4e4e2e5a3458d44b86914e6c91e188893e6bc98e720
Markdown43286ddee8cf6011cf1d419ffa9eae5a95d9b3760ed8e5692af64d30fd451f2f
PDF
Publication page16926705c7035ea615c1a339e51887fcfec3e7b041ba3a13f293559069ebb08b
Manifestd889d99b84c31e981b9a7e988026528fbe1c2d8195d764897ba296f2f4120e3c

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
Signaturesj+Ez4gjCAlodI2hEZJH7lE65unE8K9c0P+Nd32jKbFgFiUTbSuZ94DbedNFTTo1oL6Ow7mBa2PQ3gNdjoOPDg==
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

2026-09-17T10:35:34.778905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064708
observed 16926705c7035ea615c1a339e51887fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.762586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064708/manifest.json
observed d889d99b84c31e981b9a7e988026528f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.745818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064708/publication.md
observed 43286ddee8cf6011cf1d419ffa9eae5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:34.727337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064708/publication.txt
observed 1f54f93f7de9a29b2866d4e4e2e5a345...
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.