OpenTechnical

OT-2026-000074352

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000074352) never changes.

Identity and time

Publication numberOT-2026-000074352 · never reused
Internal UUID01a0ae93-7179-7b4a-9a37-e05137696a87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074352
StatusPUBLIC

Content hashes

Canonical text4ff33f017ae347e31e98cd998ccfbd1473563a8ea03ba0a527ca4c792722cecd
Markdowne3662d00c9b07291313c54b7c7c23d1310352ccddf13bb8ff76899ceb4cc263c
PDF
Publication page16177f64c40949f9b8d81663d90bba9c45a4d5a978fad19d00e3ae367f0d0c24
Manifest141ecb4b94173066e4d959e938ae36a9bd9715f35aa0953e560af1862865fcf5

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
Signature5q8d0gj2CWn0H7zflvsJUWtikoOhFOTaslECSmLY1Hq1miha7qGBDxWu1ZNDcv+a/VH63I7Ag73Kammr49epCg==
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

2026-09-17T10:19:16.645385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074352
observed 16177f64c40949f9b8d81663d90bba9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.624773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074352/manifest.json
observed 141ecb4b94173066e4d959e938ae36a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.607886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074352/publication.md
observed e3662d00c9b07291313c54b7c7c23d13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:16.588183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074352/publication.txt
observed 4ff33f017ae347e31e98cd998ccfbd14...
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.