OpenTechnical

OT-2026-000068452

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000068452) never changes.

Identity and time

Publication numberOT-2026-000068452 · never reused
Internal UUID01a0ae90-2481-7349-855c-1c8a7ab2b827 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068452
StatusPUBLIC

Content hashes

Canonical text180a8c74ba0eeec596be5dc4d216ec9e0b199622a17e0d3a20d8c03458123dc6
Markdown81620922f75c4e06804e7f553831c8267a7c1c44de11a74bf1b8df185db08f59
PDF
Publication paged15f208b3952a9c630738eb7e3297800003219fed6e5e75fd84fdedd66cbb24e
Manifestdd69197dfac6eb211fb0ee226ac61ba6a15ff3df61786d8b1ebf9f6f0dc53497

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
Signature4BJozzDskhYFO/kuZ0BAPHZqwOW7BSnv2DstldzlDnpIPfWlBHo3TZFkgAPb6QSLLxaGtjsdYiRCbFjQ7PwYDA==
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

2026-09-17T10:29:35.901674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068452
observed d15f208b3952a9c630738eb7e3297800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.883820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068452/manifest.json
observed dd69197dfac6eb211fb0ee226ac61ba6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.866196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068452/publication.md
observed 81620922f75c4e06804e7f553831c826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:35.849568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068452/publication.txt
observed 180a8c74ba0eeec596be5dc4d216ec9e...
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.