OpenTechnical

OT-2026-000068631

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented after set-down

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-2026-000068631) never changes.

Identity and time

Publication numberOT-2026-000068631 · never reused
Internal UUID01a0ae90-2483-7071-887b-919d81263b91 · 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-2026-000068631
StatusPUBLIC

Content hashes

Canonical text645ec8a5cb2632186df00e71ef458ecc2a54481875ae9137a2ce6a932b81b84a
Markdown9b655ed99baa5ed3fcfd390c075a1704bf791a5d650bf1269a26808dc7cdf76f
PDF
Publication paged8b16f1860620317a909b783631b752b698c99b2b56a0bf8b83b118182e773ec
Manifest8522082f054452abec750725e497ffa519308bed9b8db17e1af9caee5d6b261c

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
Signature+x+UR9KSaCEDgPlUyD2fmcKyLpabCUwpxTcT8tNDjH+nWVHpvsDthzVFZH5Mc3lHRW1w1DyT8Gw8w8+XTAp9AA==
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

2026-09-17T10:29:49.156402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068631
observed d8b16f1860620317a909b783631b752b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.138472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068631/manifest.json
observed 8522082f054452abec750725e497ffa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.115292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068631/publication.md
observed 9b655ed99baa5ed3fcfd390c075a1704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:49.097726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068631/publication.txt
observed 645ec8a5cb2632186df00e71ef458ecc...
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.