OpenTechnical

OT-2026-000044872

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000044872) never changes.

Identity and time

Publication numberOT-2026-000044872 · never reused
Internal UUID01a0ae7c-911c-732f-8d25-0424d9be8c5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044872
StatusPUBLIC

Content hashes

Canonical text3b712fe096e5df4aee8883eefb6b78348ef7eaa9fe11d6be571ca66e4d04806c
Markdownfa5d9b56f2c3d5e9769dd58360a981f817e06bcd741ddb7cb2b6d2286974709b
PDF
Publication pagec55e16e1b03f8f93f634c89311fd230d578bad487c8faf8f952536a202ecf99f
Manifest0477ed2ac6fbe180d70dacaf05175df6b4a9347ab0497f71584b1907e421d3e2

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
Signature1ysll8yT5IbfciT/I+rf0N7v0zNjJ8QxjTSYTffGRWUGUJvWqvjqwKSolTVwPaGcuYHK0JZd1H4G12uhhtksBw==
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

2026-09-17T11:11:31.549570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044872
observed c55e16e1b03f8f93f634c89311fd230d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:31.531810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044872/manifest.json
observed 0477ed2ac6fbe180d70dacaf05175df6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:31.516186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044872/publication.md
observed fa5d9b56f2c3d5e9769dd58360a981f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:31.497292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044872/publication.txt
observed 3b712fe096e5df4aee8883eefb6b7834...
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.