OpenTechnical

OT-2026-000068950

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000068950) never changes.

Identity and time

Publication numberOT-2026-000068950 · never reused
Internal UUID01a0ae90-6dcd-7264-ad47-864e2477da57 · 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-2026-000068950
StatusPUBLIC

Content hashes

Canonical text10c8fdeb66827842ad3bc8374271fec9f3fbf56aab82425ffdc4845deade0ac3
Markdownd6cf5b3d9e68783ee77d2512a915fc298633068c17487f728b4f554d840abdb7
PDF
Publication page8497ec673167bb6472758defcea34520618a49fe488def913c3aeb4f0cf7d2db
Manifest60a475721f1452fdb3da518bdc430bd41d7b7f04e08f1ab84d602c24da85f0be

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
SignatureWIRpGH1RgLK4Z2D63/ps8hYZ+pnXUgNP/fw0s6bofaW4NswLhi45Vjuu/bRYbsei8t5OcJCBw1wwnx0YzpadCQ==
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

2026-09-17T10:28:47.200034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068950
observed 8497ec673167bb6472758defcea34520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.182119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068950/manifest.json
observed 60a475721f1452fdb3da518bdc430bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.163390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068950/publication.md
observed d6cf5b3d9e68783ee77d2512a915fc29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.145651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068950/publication.txt
observed 10c8fdeb66827842ad3bc8374271fec9...
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.