OpenTechnical

OT-2026-000102438

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pulsed 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-2026-000102438) never changes.

Identity and time

Publication numberOT-2026-000102438 · never reused
Internal UUID01a0aea4-8589-7ce5-82a5-0e5d96ab787a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102438
StatusPUBLIC

Content hashes

Canonical text9a4cd59d67d673afa5b8014bf7cd56c4f8785df239a8f6e300a0ef8bd4389361
Markdown97e0626e150ca5405e45ac70c755da6632c73736a2fcbe3e81cfe13f67a365d2
PDF
Publication pagea644b0285b9446e85a01712fa86688d6ef867015e8ae97a629dbac466fcf7e96
Manifest2e314ec538da7e2f4a43edbed8d70c191e02224b0a1049d9f50aaade37f766ba

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
Signature/o18DUU7yu/WSc0TsIxubRCt7a7hFM6DwEU57WX8BAmQ+g/Zn+mDgPwz32+EycCAtdVsRG4HmxWDwyWZhs7aCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:47.060984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102438
observed a644b0285b9446e85a01712fa86688d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.042841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102438/manifest.json
observed 2e314ec538da7e2f4a43edbed8d70c19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.025761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102438/publication.md
observed 97e0626e150ca5405e45ac70c755da66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:47.008031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102438/publication.txt
observed 9a4cd59d67d673afa5b8014bf7cd56c4...
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.