OpenTechnical

OT-2026-000027578

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000027578) never changes.

Identity and time

Publication numberOT-2026-000027578 · never reused
Internal UUID01a0ae72-6999-7c0d-8981-b15dac077a8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027578
StatusPUBLIC

Content hashes

Canonical textb7017bae90889f7a7efdfd0a158f5a79fc58e2f3f553455ab7892fc00181afd1
Markdownbc50175067aad1ee51c421331848f77a15a68d55af317dce5cb1fef0df207aaf
PDF
Publication page6b4830887fd711fe901c8732d47d4c618a6ead49e8f48f7bd67f95dbef452735
Manifest4a88e7045e6af8dc300e097a4ce2838acce0ab0b09c9bd3cc2191b7d8496aa22

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
SignatureVoT5tqzc1Qb7v71d58xjJGw0iJMsg8XzuDWmYupwv4HVl37C0s06xqqrqSQmmEh3sbsF4Yg8Dog2jnNgX/iECg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:04.315784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027578
observed 6b4830887fd711fe901c8732d47d4c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.296547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027578/manifest.json
observed 4a88e7045e6af8dc300e097a4ce2838a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.279148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027578/publication.md
observed bc50175067aad1ee51c421331848f77a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.262170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027578/publication.txt
observed b7017bae90889f7a7efdfd0a158f5a79...
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.