OpenTechnical

OT-2026-000068938

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000068938) never changes.

Identity and time

Publication numberOT-2026-000068938 · never reused
Internal UUID01a0ae90-6dcd-7ad1-b407-55d7f316e304 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068938
StatusPUBLIC

Content hashes

Canonical textdd488e0449c83985c8e82da4ded006d5c0185d86363d328b77f28111cbcf1015
Markdown7de102770472d04a34f92e281626e990dfaa033ce2dc26f32f277e31722df452
PDF
Publication page44b341b7f7a15de224cec8edf3a56556460775d448ed0a77b4c04dedc0bbc9b0
Manifest56135519e3f36eb163598f2b5759b02592c21444a34ece71b510d4f1b851176b

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
SignaturezjroMYp8bfjHRABE6+9Wt4Bpm/tjWx6Gd8oDilTI5EF4W4+g3SKYwUZn38tpN1NygMnYQP/Aobwgvt5lvMv4BA==
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

2026-09-17T10:28:46.246950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068938
observed 44b341b7f7a15de224cec8edf3a56556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.227151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068938/manifest.json
observed 56135519e3f36eb163598f2b5759b025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.209786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068938/publication.md
observed 7de102770472d04a34f92e281626e990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.191612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068938/publication.txt
observed dd488e0449c83985c8e82da4ded006d5...
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.