OpenTechnical

OT-2026-000061778

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000061778) never changes.

Identity and time

Publication numberOT-2026-000061778 · never reused
Internal UUID01a0ae8b-b8ab-7bc3-b380-726fe8f7139f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061778
StatusPUBLIC

Content hashes

Canonical texte1b485bad72dd66ab848ca8363c01db76980c87accfae47222e6eaf6da42f914
Markdown4928caccbb310dca33e6ca454ea0c67099e86f5bb444fb8490979a5a69b5d638
PDF
Publication pagec6db80b9068b72dca872f48222b3ae48d434c689dc21ec64ff26073ce04601de
Manifest1baee854be8f2c0a305967caa3efdc63d9636ff8988aca82413ee131ab9bee85

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
SignatureiUBIjhEclAQZ1fJ7afiEYHbtfl7NivKdqr+L8lXtu14Ap5hBlilq8xf6ORdzVzyE03nXB3C/G0NjnlN8VvdcAw==
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...

Independent retrieval

2026-09-17T10:40:29.495120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061778
observed c6db80b9068b72dca872f48222b3ae48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.474530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061778/manifest.json
observed 1baee854be8f2c0a305967caa3efdc63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.450821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061778/publication.md
observed 4928caccbb310dca33e6ca454ea0c670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.421278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061778/publication.txt
observed e1b485bad72dd66ab848ca8363c01db7...
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.