OpenTechnical

OT-2026-000103228

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000103228) never changes.

Identity and time

Publication numberOT-2026-000103228 · never reused
Internal UUID01a0aea4-be3f-74fb-ae72-1b4d588b51c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103228
StatusPUBLIC

Content hashes

Canonical text2f4fa61485febdb7d77df82b9a210598907300ef10e3b51bab1c3e0f6fbd8810
Markdown5228b2b3b20d2c5d5c62a5ca98945654087d4a90ae0fdfd7c076548b26d72f53
PDF
Publication page51b29cbf15fbced8579a0bf6f879476cd68f69b9e0a1be59d689d2f51aa16ed7
Manifest6c35cb73521453f02d77e68a3190d37e9e10c5214898ea2ae99f7c43a60f952f

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
Signature+b4YYlvva9YEDbQaNN+s8XNprD4I9EEFOESaeLbVsUAXTbdnx9NInqf8r6Un1SQUq+oXBpkbBJ4Zpw2qocfbDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:27.639217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103228
observed 51b29cbf15fbced8579a0bf6f879476c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.619471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103228/manifest.json
observed 6c35cb73521453f02d77e68a3190d37e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.599184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103228/publication.md
observed 5228b2b3b20d2c5d5c62a5ca98945654...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:27.579752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103228/publication.txt
observed 2f4fa61485febdb7d77df82b9a210598...
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.