OpenTechnical

OT-2026-000038084

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000038084) never changes.

Identity and time

Publication numberOT-2026-000038084 · never reused
Internal UUID01a0ae77-f88b-7b42-9dfe-c96975f6236c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038084
StatusPUBLIC

Content hashes

Canonical text45ed8f093498322e78a258fc4566bcf35aca23e449b46049bd45cf48d13484b1
Markdown173b6e24a308930701c99ae1d17954c24ef4496c34a8fdaa0fce00f5f2953abf
PDF
Publication page478dfeb59b1a5a3e06e826719c87463073eb624ea759b9f522ef468bb448783e
Manifeste02e40bdf5441cd42adb9c9f35b4da22816d447d91245b732ee245e1e6f19f5c

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
SignatureQVaaI5fSAlhYaWt9V+NoSzRnaQBwYgwTCcCYscSl6EzeNDEvo6HtxS4hTG6CRJc3EGnwfFMjBPfwAmfx54qbCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:23:24.830674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038084
observed 478dfeb59b1a5a3e06e826719c874630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:24.811139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038084/manifest.json
observed e02e40bdf5441cd42adb9c9f35b4da22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:24.783502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038084/publication.md
observed 173b6e24a308930701c99ae1d17954c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:24.755810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038084/publication.txt
observed 45ed8f093498322e78a258fc4566bcf3...
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.