OpenTechnical

OT-2026-000082156

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000082156) never changes.

Identity and time

Publication numberOT-2026-000082156 · never reused
Internal UUID01a0ae97-4d93-7949-a655-f4480affecda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082156
StatusPUBLIC

Content hashes

Canonical textf04da98fce837b4cf8752d24ebc632943193943ca48c558c55f70aabb3541500
Markdown54c878043ae58c753173009809f37e3925a51de2574beaf422853f1bab79f13e
PDF
Publication page604676e0fb8ee1f895fb8883642ecef3819ce10a2f08f9dcb3f747a67b1bd5e3
Manifest50441115d8d02484b61113e5a8e892c9903d51775eea106e886eab9327246617

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
SignatureXArEqmU4yF34cEUTFAElkGecshs7fgikUuEy5SbfIPkBIrVTY664udVH7jgJHQkNGcDJ/TWhXWlfdv7RSseGCg==
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

2026-09-17T09:58:58.710258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082156
observed 604676e0fb8ee1f895fb8883642ecef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:58.692439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082156/manifest.json
observed 50441115d8d02484b61113e5a8e892c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:58.673852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082156/publication.md
observed 54c878043ae58c753173009809f37e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:58.656502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082156/publication.txt
observed f04da98fce837b4cf8752d24ebc63294...
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.