OpenTechnical

OT-2026-000053408

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000053408) never changes.

Identity and time

Publication numberOT-2026-000053408 · never reused
Internal UUID01a0ae85-0a8f-7093-8938-3453c24c6a91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053408
StatusPUBLIC

Content hashes

Canonical text23b57ecc9288708d3fa23402d9c9c76ca30c9fcf1ea04df01eafeda5c45b025f
Markdown480c352146267ceddf74c85386323bf1c2781ef5aa01ae42f8f3677eb6373584
PDF
Publication pagef760b28557cc56ef47f283da497c8bc8aabc340d2259a5f7bd2e39c6d6680ab9
Manifestfe9944796022af6849c261f7efbdfbf8b688cc57802717d3d2e0d32802ed6739

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
Signature1FFaHsiiPCAQCCpryfGk6zZYHMlJbvrRRXWjLj+kwSWGEv8JIb5PxdIMHAnzfoJ1/kB7d/rBzNAAVcte9hywCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:08.193534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053408
observed f760b28557cc56ef47f283da497c8bc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:08.176295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053408/manifest.json
observed fe9944796022af6849c261f7efbdfbf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:08.158411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053408/publication.md
observed 480c352146267ceddf74c85386323bf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:08.140955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053408/publication.txt
observed 23b57ecc9288708d3fa23402d9c9c76c...
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.