OpenTechnical

OT-2026-000059904

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, sustained 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-2026-000059904) never changes.

Identity and time

Publication numberOT-2026-000059904 · never reused
Internal UUID01a0ae89-ec26-7073-83d4-b88aa8c13a3f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059904
StatusPUBLIC

Content hashes

Canonical texta4c1d09fb187c576baaacf02391d3f920be05daf045da136fdc6150c0690de6f
Markdown16773fd7d140b5fdeaf62dffccf06986f3f24609a2e5e0501eeec397aa522c2b
PDF
Publication page6845afe8cf55e6a0a6d2ccbc43265923470547a146c13fdd0cb3fce335b59672
Manifest2acd6712e7986783e647410f0bce7d6d1ceae5efab8a1eec7dcef04406ba74e8

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
SignatureCPhvovmy7/Q+awHtA+ycbPOJCqIm4DDAoQ/g66by+FR8NQCAZWJeDxNK4yM88odx8N7VOAjpMTCZsVycmBhrAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:40.036500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059904
observed 6845afe8cf55e6a0a6d2ccbc43265923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:40.016845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059904/manifest.json
observed 2acd6712e7986783e647410f0bce7d6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:39.997140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059904/publication.md
observed 16773fd7d140b5fdeaf62dffccf06986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:39.978868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059904/publication.txt
observed a4c1d09fb187c576baaacf02391d3f92...
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.