OpenTechnical

OT-2026-000042703

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000042703) never changes.

Identity and time

Publication numberOT-2026-000042703 · never reused
Internal UUID01a0ae7a-c0cf-7347-b0e9-801e7b6f495e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042703
StatusPUBLIC

Content hashes

Canonical textdca1750429ef669d5de7a1e55a60c2a32f4a66ac6ed3d20a3c503eefd4373b3f
Markdown121388899df0324149d3d3a3ee88318a647db76c804ed487f2515b0bd3039e43
PDF
Publication page6ae3b5d6b47c0a054297f44654f99cf61d174349aeb235bda7bf2b0cd84fc0fe
Manifestd22ac863b6fb1278ac4afee54f9bff01dbba88c666cb5f430347a6d06e18b176

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
SignatureDRfitqBJWFSd2sEe9lsgBsT2xWxPa6ppHwjTazlG984ZtYbf6ah7cX4I3IOF+RK57Kx9kJ2TzmhPvYK6Xz8PDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:03.780044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042703
observed 6ae3b5d6b47c0a054297f44654f99cf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:03.759751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042703/manifest.json
observed d22ac863b6fb1278ac4afee54f9bff01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:03.740551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042703/publication.md
observed 121388899df0324149d3d3a3ee88318a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:03.720960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042703/publication.txt
observed dca1750429ef669d5de7a1e55a60c2a3...
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.