OpenTechnical

OT-2026-000101793

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, pulsed blow-off after set-down

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-2026-000101793) never changes.

Identity and time

Publication numberOT-2026-000101793 · never reused
Internal UUID01a0aea4-0e17-7491-b530-270a777c179f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101793
StatusPUBLIC

Content hashes

Canonical textac73633ffcf74148e680576f9234a1f76110e4f7ca0345c92fb1cc7b814967b0
Markdowna9fd746b94689d6ad174a952fe5345165e7faafdb4f58062046514d984e48501
PDF
Publication paged12a70e2b84e6d604083510d9141f9b405e6a3af71ce3e56df82b9048bef9f8f
Manifest0cf2cbd1a3be63719cd5a0daeabb9c1e04d93f86a671e50eacb5153931ac7af0

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
Signature7KSA8FVrDVm8xQgAetZOPSnN3CJXTmQjnFOuHgDYp9YnPX51GCPiQfx8UTt1Zqm8fFnbZ1Y8PRdX7Y09BzxuBg==
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

2026-09-17T09:26:17.442821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101793
observed d12a70e2b84e6d604083510d9141f9b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.426414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101793/manifest.json
observed 0cf2cbd1a3be63719cd5a0daeabb9c1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.407431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101793/publication.md
observed a9fd746b94689d6ad174a952fe534516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.391210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101793/publication.txt
observed ac73633ffcf74148e680576f9234a1f7...
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.