OpenTechnical

OT-2026-000068959

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000068959) never changes.

Identity and time

Publication numberOT-2026-000068959 · never reused
Internal UUID01a0ae90-6dcd-79c6-90ca-3feafe23f972 · 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-2026-000068959
StatusPUBLIC

Content hashes

Canonical text44c89a2126b95c7e9bda684e3541e4b3aa693172abd3a2b8ac7fe0316ed4abe9
Markdowndbe4a7da37ff2ce795d5730696b36eb09d3eb6ba92611c3616193ab2080b89c3
PDF
Publication page440e62c04f560cd9bba010f0b8f3699bc49d9760ab826bed497da6dbd8ae6636
Manifeste420fda136d9b4d21ee7f4e9712b16ef2c39fbafa179e3d961896bd01f72bb24

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
SignatureA4K3NazyM2dOhaUAgELt1k/oUc8upMXuL4vpDWZGzfQhK3BbqH8GuqeWGwe8txveu9C9S97nvM/XAEgBgqonAw==
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

2026-09-17T10:28:47.782483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068959
observed 440e62c04f560cd9bba010f0b8f3699b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.763795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068959/manifest.json
observed e420fda136d9b4d21ee7f4e9712b16ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.745200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068959/publication.md
observed dbe4a7da37ff2ce795d5730696b36eb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:47.728373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068959/publication.txt
observed 44c89a2126b95c7e9bda684e3541e4b3...
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.