OpenTechnical

OT-2026-000052268

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000052268) never changes.

Identity and time

Publication numberOT-2026-000052268 · never reused
Internal UUID01a0ae83-e791-7d97-9eea-afa06948cce0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052268
StatusPUBLIC

Content hashes

Canonical text27cfe8d7fe1bd9741a0fa8277e8d2cd222caf93251b3d36e5dabdbc3c56cb27a
Markdown30726a68daacd9bb03a06fe865229a4dc8c1d7c6dda9b1eda7fe6a3d61125179
PDF
Publication page1a8b763228ebeaecdd03acc31c2d24a632ec2fe5e5734568daa5f848b64fe23c
Manifeste406ae3337872242487430721a18063873024887779223cada80cd40543206b9

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
SignaturejFiQC3pSB88xLXKEyMcWf68Hs+v7UAimtTHYOcNMPKf3yIWEGzTvohSyPjviEPln5dAuKU6PfDTALiEP8jCqAg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:51.322945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052268
observed 1a8b763228ebeaecdd03acc31c2d24a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:51.303885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052268/manifest.json
observed e406ae3337872242487430721a180638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:51.285660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052268/publication.md
observed 30726a68daacd9bb03a06fe865229a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:51.266322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052268/publication.txt
observed 27cfe8d7fe1bd9741a0fa8277e8d2cd2...
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.