OpenTechnical

OT-2026-000079866

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000079866) never changes.

Identity and time

Publication numberOT-2026-000079866 · never reused
Internal UUID01a0ae96-4376-71a1-b529-ec94fa470792 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079866
StatusPUBLIC

Content hashes

Canonical text762cb18c21ca8767e9657e7695886cd4ed86dd9f9be534bd76d6bdfb4a71b2b2
Markdowncde5f560ec87206ec8883ac6834acc840412127b97e7e936173f06a28154bcde
PDF
Publication page2964ad6d3acb6b94ddce567aa896867a345769975dfd8375a3cd8e69b93b418f
Manifestd86d4f9664745e5d5b73df0a80ac22ef0066e8d28db922626fde256189833c34

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
SignatureeVlM9auLQDImjngwhXq4FCyoYhOpWZFnv24170vnspA7rbhpv4bN39HEUzMPFZur3tXAyZrpXgsuo9mwFlMEAw==
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

2026-09-17T10:03:45.426371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079866
observed 2964ad6d3acb6b94ddce567aa896867a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.409471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079866/manifest.json
observed d86d4f9664745e5d5b73df0a80ac22ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.389985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079866/publication.md
observed cde5f560ec87206ec8883ac6834acc84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.370924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079866/publication.txt
observed 762cb18c21ca8767e9657e7695886cd4...
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.