OpenTechnical

OT-2026-000069071

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000069071) never changes.

Identity and time

Publication numberOT-2026-000069071 · never reused
Internal UUID01a0ae90-6dce-789b-ac9e-8f8c2d3a3574 · 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-2026-000069071
StatusPUBLIC

Content hashes

Canonical text2fccd9119eee12bf732fa730441a23703bb240a3bd990d32cfab29b5843c1049
Markdownbed31387fff557bc907b31adca17c2ab5c60029dd0ebafcb71b177c7666c6ed5
PDF
Publication page8863d10d83dd1b64e96b665752dcc2b4c7b92c5abdb320ae482103f2c02760ef
Manifest4cf93eece81d048ba41160e4763f019f7a22b93b100411ecc94ff03eb0db9797

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
SignatureBZVslLvcE1nUH4t2Cu53Va1aFBsthaD5lMQ70YGflBiqbh/uXCb9GW8gOuCgl8sAwMNpPujzNwgdCwzXf+iACg==
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

2026-09-17T10:28:56.205739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069071
observed 8863d10d83dd1b64e96b665752dcc2b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.187320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069071/manifest.json
observed 4cf93eece81d048ba41160e4763f019f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.169476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069071/publication.md
observed bed31387fff557bc907b31adca17c2ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:56.153044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069071/publication.txt
observed 2fccd9119eee12bf732fa730441a2370...
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.