OpenTechnical

OT-2026-000057576

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, 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-2026-000057576) never changes.

Identity and time

Publication numberOT-2026-000057576 · never reused
Internal UUID01a0ae88-2693-7074-9c9b-6bf8c9ccc02d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057576
StatusPUBLIC

Content hashes

Canonical text2eca511457bcc18d85b50ae6288f4cb45a71d75048c7cd8493b4cc353833458c
Markdown8c477f200197f95775d4f9da35ffd90dbf95ef36ee888e99c1297b889d8bf8ad
PDF
Publication pageffdb1d309e49dbeb0c766cc53c51c43450a6cccb75c3f0dbee1ce794a953dd57
Manifest7dbb5fef77357244b4a853aec82a42c1e0c9f5d38be62ff2a5daedbf235ae325

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
SignatureptExjtYk13xcpR5F0d3Ahzc3G8t6MeEF1TlVkClxuzKR2L/WdRGWg9EYZJLKleEtio6Cx8wxlRHV8JMI0tf7DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:07.289048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057576
observed ffdb1d309e49dbeb0c766cc53c51c434...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.271555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057576/manifest.json
observed 7dbb5fef77357244b4a853aec82a42c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.253612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057576/publication.md
observed 8c477f200197f95775d4f9da35ffd90d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.233805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057576/publication.txt
observed 2eca511457bcc18d85b50ae6288f4cb4...
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.