OpenTechnical

OT-2026-000080474

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000080474) never changes.

Identity and time

Publication numberOT-2026-000080474 · never reused
Internal UUID01a0ae96-7e78-7f02-9b18-a7bf11e981af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080474
StatusPUBLIC

Content hashes

Canonical textf27559ebc5b4f87f033f9965c87d6d5072180c6a1f7af9a86caa56e66ac337ac
Markdown48d5d24c7024be431a888f6db888b3acdb08f06c7013dcd2d72cb56868780c21
PDF
Publication page6137f288724ea270a5acee3e2b2b8c7e464be6720a95c72865916f0dfde3dd94
Manifest01b667aac680d6f47b8301a9d690137b27f98afd5f24fbef43c8a72d672d14bf

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
SignatureZSZsnIULYdNEH7MvOjXf/qGZxOdXpIrKhITX6ZqlMNYnS4XewDEQ2QABlHkC0H+u2McJK/XHWQnFQkVv3enjDw==
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

2026-09-17T10:02:59.744287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080474
observed 6137f288724ea270a5acee3e2b2b8c7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.726488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080474/manifest.json
observed 01b667aac680d6f47b8301a9d690137b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.708678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080474/publication.md
observed 48d5d24c7024be431a888f6db888b3ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.688363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080474/publication.txt
observed f27559ebc5b4f87f033f9965c87d6d50...
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.