OpenTechnical

OT-2026-000084650

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000084650) never changes.

Identity and time

Publication numberOT-2026-000084650 · never reused
Internal UUID01a0ae98-e25c-72e6-a9b5-21519c9a8dfb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084650
StatusPUBLIC

Content hashes

Canonical text59ea18bc7ac002305cf1ba3961d488151c357224658953af780ec4c1420c8f08
Markdown519534005324a4795a47d8f1e32a7d18b64e122d0074332fabe1866ef3e7bf8f
PDF
Publication page658eb28557867c14513dcd1f281facfbc389e3dae1ca8b1f7b46a431825504c1
Manifest553a188e68b7d24c601cbf7779c19269365d9e5de74fe8667a5d1ab636c48e1c

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
Signature8erpgDgPHc2GVwpyhQRv+6WHUf0iK1ZxUoTURlvp8ugjBQR7PNDayzg6VlW1wAAc+mxsbSbAvg4HeCWfxo61DQ==
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

2026-09-17T09:55:34.220335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084650
observed 658eb28557867c14513dcd1f281facfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:34.203392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084650/manifest.json
observed 553a188e68b7d24c601cbf7779c19269...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:34.185885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084650/publication.md
observed 519534005324a4795a47d8f1e32a7d18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:34.169776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084650/publication.txt
observed 59ea18bc7ac002305cf1ba3961d48815...
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.