OpenTechnical

OT-2026-000070946

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000070946) never changes.

Identity and time

Publication numberOT-2026-000070946 · never reused
Internal UUID01a0ae91-8c2e-7d83-8d77-3edb51d57faa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070946
StatusPUBLIC

Content hashes

Canonical text937f98025be5ff3f67ef814971d5b7495d7be3e889e0f2688386776838852432
Markdown8eb83ff6f6b4839cfc3547d52259732988949f5869d2b31a3f4e2dfd187d03e0
PDF
Publication page8e3365e737bcb29c4f623283d574f7231e5936e3480a9d7eb2c278ce268b0df7
Manifest756a4d738b71e2d2131846255edf93358ed6ac1dc409c17bce2e7bb766a2c5cf

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
Signature0iCZk5tU/AC2bkY85e+YZNfruIWeI/SscKwt2WOreoAVaXIUso7MaysuB/NJKOEbiuoaYDrNkZUPvAHxx0NqBg==
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

2026-09-17T10:25:46.859475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070946
observed 8e3365e737bcb29c4f623283d574f723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:46.843147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070946/manifest.json
observed 756a4d738b71e2d2131846255edf9335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:46.827999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070946/publication.md
observed 8eb83ff6f6b4839cfc3547d522597329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:46.810729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070946/publication.txt
observed 937f98025be5ff3f67ef814971d5b749...
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.