OpenTechnical

OT-2026-000010919

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump 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-2026-000010919) never changes.

Identity and time

Publication numberOT-2026-000010919 · never reused
Internal UUID01a0ae6c-540d-7ead-9036-4afde9a3ebcd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010919
StatusPUBLIC

Content hashes

Canonical text3cb70817a0493580856d46ca1aec7a31b0626748423a328b75b8c6bf3b39cea1
Markdownd1c31d4dbb04fe3242009ee1a9eb6bdcb254a7b8bff875081674b9cf63b6044a
PDF
Publication page2bd1188e09f00909b2c9502c9ef0da83d443d9e88b1e9edbafa97b763af5e40c
Manifest3041c42c5722b878db01fe6942746d1335ff15da8e6fe1368d7fa8b143b785a2

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
Signature8Z4EnFl7DRYinoYaWlt1l6IoB5oLLkIqSDZIe6siH4hzBEFcXZzRDL9HRSCGF11mfqyiA+RKMASkjhsPUVxmDw==
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

2026-09-17T12:13:41.931237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010919
observed 2bd1188e09f00909b2c9502c9ef0da83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.912745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010919/manifest.json
observed 3041c42c5722b878db01fe6942746d13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.894370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010919/publication.md
observed d1c31d4dbb04fe3242009ee1a9eb6bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:41.875070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010919/publication.txt
observed 3cb70817a0493580856d46ca1aec7a31...
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.