OpenTechnical

OT-2026-000054348

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000054348) never changes.

Identity and time

Publication numberOT-2026-000054348 · never reused
Internal UUID01a0ae85-b3aa-7b95-94e5-5d655657aa9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054348
StatusPUBLIC

Content hashes

Canonical text0c96018d145456485c98220bff6aed0954af7769b06b560de23dbff1769c5e0e
Markdown393decd0fb379584a7e0aa15709117d4a7a5b9c0549efc6673002555e22d4d7b
PDF
Publication page582495b4dfc6551b4b8fc4737d24f02b476af49d7015eab76498b9ba83df26db
Manifest55f3da77f4aadaef0a57ff0ac65a47b5cc048a5574d52b167842a35e3f7728a9

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
Signature4p+7RZzA31x5iL+40R0KllNlzs4A9yfBbI4I2tCJn6n+mlF9ijSaHpZvrTSOUzLmu3qjytpXPGNSkfz9NFQsAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:51.997199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054348
observed 582495b4dfc6551b4b8fc4737d24f02b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:51.977366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054348/manifest.json
observed 55f3da77f4aadaef0a57ff0ac65a47b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:51.955823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054348/publication.md
observed 393decd0fb379584a7e0aa15709117d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:51.934630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054348/publication.txt
observed 0c96018d145456485c98220bff6aed09...
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.