OpenTechnical

OT-2026-000068031

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000068031) never changes.

Identity and time

Publication numberOT-2026-000068031 · never reused
Internal UUID01a0ae8f-c4fe-7a8c-a7cf-65e9fd02f759 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068031
StatusPUBLIC

Content hashes

Canonical text0c28ba9f142617b8bfb8b0d758113128ea9dcff4539d9925b0ff148e3dcb78d2
Markdownd2abf27c2efc8cb49f824c2a90f87f24ef4b64ede573a42658a4b5b28628d5fb
PDF
Publication pagef7b68d29e3aab0d60dec225c78a30b6b9c0d59ac7d6044c413c7c8f0dfd2f9bd
Manifest470476fcc7457c73fd1c78572b78bdf6dd9f0ace1f7b6aa781bcecfcaf5ff81f

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
SignaturewJ8jkaSd6w0pvr7sFvSerAFADg9BiG0aSKbgHLvIWKeAFoNlzaK93bd1r3PHfN3865Rye54AaHY397MNTot5DQ==
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

2026-09-17T10:30:35.660969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068031
observed f7b68d29e3aab0d60dec225c78a30b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.639297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068031/manifest.json
observed 470476fcc7457c73fd1c78572b78bdf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.619087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068031/publication.md
observed d2abf27c2efc8cb49f824c2a90f87f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:35.600463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068031/publication.txt
observed 0c28ba9f142617b8bfb8b0d758113128...
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.