OpenTechnical

OT-2026-000031510

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000031510) never changes.

Identity and time

Publication numberOT-2026-000031510 · never reused
Internal UUID01a0ae74-87ae-7d19-a76f-0d5513c138dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031510
StatusPUBLIC

Content hashes

Canonical text61d4b8c7cfb57912cf89fd418f53c7c03d883656db0630881d0e80e7d8917376
Markdown69dcda3a1e5a59d464d754d62db6455d00b9229532ef210d9b78db29bb251307
PDF
Publication page7f6c57f0675c74a02f256a6b9117a1897aab067b86479d1e3ba2e22eb1174b54
Manifest579a1774107175305db66192499555eebfe069d56cd7ba8b13285390d05f45b5

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
Signature7brCvAMQhHy/V0mqlxkbEfhClyzVDh0FkoNIRcIAovVNYik8rW9vCxrwJp5XnMjFZZ1/b+6NwqZXIUQ9B1A/CQ==
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

2026-09-17T11:36:20.579572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031510
observed 7f6c57f0675c74a02f256a6b9117a189...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:20.561088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031510/manifest.json
observed 579a1774107175305db66192499555ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:20.542273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031510/publication.md
observed 69dcda3a1e5a59d464d754d62db6455d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:20.521628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031510/publication.txt
observed 61d4b8c7cfb57912cf89fd418f53c7c0...
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.