OpenTechnical

OT-2026-000070216

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000070216) never changes.

Identity and time

Publication numberOT-2026-000070216 · never reused
Internal UUID01a0ae91-1862-708c-a3d4-15e89c290fd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070216
StatusPUBLIC

Content hashes

Canonical text177542e189d69ed1734e584a6a03c606d50718d58e62f7f22ece1944c478cc20
Markdown84a33d8042dbc8a7109c34d06cb25389bab76f55be7486bbe40177c1f9d143ab
PDF
Publication pagee9b7b960c2540ca2db132ff2bd3abef5146a1ac65b8c788ca240e20038ef5bb4
Manifestcad7d9efabe13a0868d159ab950fec727a63af0b9087dbbabb9dada76f4addf3

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
SignaturekDCoYPQuHMFq79W3G/tlv7Je/fL1FMnQvcNZEdcLDWeR2hBR3TyLPg2BMuxo2YoeP+htGx7OBRoWty+SEKDACQ==
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

2026-09-17T10:27:16.363208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070216
observed e9b7b960c2540ca2db132ff2bd3abef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.346338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070216/manifest.json
observed cad7d9efabe13a0868d159ab950fec72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.328100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070216/publication.md
observed 84a33d8042dbc8a7109c34d06cb25389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:16.310207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070216/publication.txt
observed 177542e189d69ed1734e584a6a03c606...
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.