OpenTechnical

OT-2026-000081510

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000081510) never changes.

Identity and time

Publication numberOT-2026-000081510 · never reused
Internal UUID01a0ae97-0f70-7fc6-a021-c95de000a216 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081510
StatusPUBLIC

Content hashes

Canonical text5df8cf52086a45d2ea388c9e1ff44944ac3713dd316815f882a22f5d95da5f20
Markdownf3a35f60f675f58de3bd88f53102ac48eb86159e8e07fd82a3181b1c4f1631b1
PDF
Publication page150f1e9734b9f24919b79d22393bbee282eb100e9186c13f60c77b7d3dfe86d2
Manifest91b722402939028c84ddaa40997a1ea8d91717b73fdc9c0f8a6d40fd186a30c0

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
Signature0I/13q58SQw1i5JmS8ZFLF7VfKt2ZDr9Q8q5+yUYRvoq4Hen4Mz7ppbn6ooihu0bTMtaByVOGWrOeaLJf9tnAg==
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

2026-09-17T09:59:31.520955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081510
observed 150f1e9734b9f24919b79d22393bbee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.503819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081510/manifest.json
observed 91b722402939028c84ddaa40997a1ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.486213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081510/publication.md
observed f3a35f60f675f58de3bd88f53102ac48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:31.470777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081510/publication.txt
observed 5df8cf52086a45d2ea388c9e1ff44944...
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.