OpenTechnical

OT-2026-000086495

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000086495) never changes.

Identity and time

Publication numberOT-2026-000086495 · never reused
Internal UUID01a0ae9a-2c97-799b-a185-a9598e29333c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086495
StatusPUBLIC

Content hashes

Canonical text4984c98c0d6fa524e3a5bc67b195261cb1aa87b99f26d99f91c8b1bfa54093a3
Markdownd9f19a5ecb11b3b130845cc8b08accb93e5a3ed0c90ae7e038fe5dfb5612a1ca
PDF
Publication page8f46031679d1584aeb85abe8102b2b507489919aee31b5638cc51d08ee238305
Manifest250e9f1fc00d9c50593f8e483b2f3bbb195e05d2dd07098b22af3e318a855100

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
SignaturesWWLKcs3lYZz2O7LN/9VsNrAGj6Q2yoWoXeIiPBCiCvTGqZnQ5V7Owfd7ebC1UCt84bF9lon0gDejlUEQpNHBA==
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

2026-09-17T09:52:18.635523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086495
observed 8f46031679d1584aeb85abe8102b2b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.617705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086495/manifest.json
observed 250e9f1fc00d9c50593f8e483b2f3bbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.590467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086495/publication.md
observed d9f19a5ecb11b3b130845cc8b08accb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.572392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086495/publication.txt
observed 4984c98c0d6fa524e3a5bc67b195261c...
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.