OpenTechnical

OT-2026-000089077

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000089077) never changes.

Identity and time

Publication numberOT-2026-000089077 · never reused
Internal UUID01a0ae9b-daff-77ca-aa88-19a147328fb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089077
StatusPUBLIC

Content hashes

Canonical textcd2c0da9c7ca575935300608e296abcb8f90bac348b8e5846c2bdec4bfa84f86
Markdown4ce0a50048235cd4bd2ab7273ae9b01cd0a74e4eed4ebc361ed6359c93b25c9a
PDF
Publication page9dda72f9b1579a2e9bf001e1bfe98d8941e2ccc81d64a76ad5e56a4f0969be1a
Manifestb4919d7b157869c3890ccf84e8a6a7a92e8ec8defd0871eedc22eb8adea65cae

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
SignatureLzEs8R040USyrYZ0PUmu27BoGfM9NjtMYfkvFNcOjSqoqLIpH797DKwxi36sWzSCACZKvfoH83cTI8jn1nMuCA==
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

2026-09-17T09:46:58.795037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089077
observed 9dda72f9b1579a2e9bf001e1bfe98d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.777031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089077/manifest.json
observed b4919d7b157869c3890ccf84e8a6a7a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.759142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089077/publication.md
observed 4ce0a50048235cd4bd2ab7273ae9b01c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.740625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089077/publication.txt
observed cd2c0da9c7ca575935300608e296abcb...
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.