OpenTechnical

OT-2026-000026657

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained 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-2026-000026657) never changes.

Identity and time

Publication numberOT-2026-000026657 · never reused
Internal UUID01a0ae71-f4aa-7d61-a327-11cda3a3b164 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026657
StatusPUBLIC

Content hashes

Canonical text090a09b3a3c4e576a744719b0865d9a762e99435958e861750a8e4c90f84c3a7
Markdown92be0fd5afe3b7ecaa2267d8608321002c877a7db49220f937f1ebad5b91c2f0
PDF
Publication pagefc0c287397d5e67298e6bcbb90b1d84fafa72a008719820691a91c3bcf16b63e
Manifest99792162ca4f5d5a286267f69b94fbd811c4ff55d6e9a90166f143d3c88ca73d

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
SignatureTG7IpHH7WvizXQx45XU0GfzoyhHc5CiLF7DyDlwyuP4xwT3jzdJK1a/E+v/lSkXPbncdLv+v4yrIEY985mjxBQ==
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

2026-09-17T11:45:44.332902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026657
observed fc0c287397d5e67298e6bcbb90b1d84f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.316417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026657/manifest.json
observed 99792162ca4f5d5a286267f69b94fbd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.297479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026657/publication.md
observed 92be0fd5afe3b7ecaa2267d860832100...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.279742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026657/publication.txt
observed 090a09b3a3c4e576a744719b0865d9a7...
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.