OpenTechnical

OT-2026-000018202

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line 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-2026-000018202) never changes.

Identity and time

Publication numberOT-2026-000018202 · never reused
Internal UUID01a0ae6e-b488-7fb6-910a-dcf221e4c22f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018202
StatusPUBLIC

Content hashes

Canonical text4e8ba65cded36abbdbbbf6e3e63fd239b9ed8530f60e1fb2a96d9bf8dc739c19
Markdown44790ef4b909388c538704a1e9ed85a8e250f2d9eeb869c35972ac28915aadbb
PDF
Publication page3a9302db92df77ce162927f11c5279dcfeed23db71b5712a0d6cea014b0aa54a
Manifestd7e6f9c4d4837a869d9f276ccc3092043cec138b3791f77bbe48511335ffc204

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
SignaturedXFWqHK4OuePg+wW2SIMCjh1UDq83DVJtw0KUiqSvq1CKE07LLHrsxtCIBHb0w3DRTUm6QCFWxCIata5lgWGBw==
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

2026-09-17T11:59:59.330601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018202
observed 3a9302db92df77ce162927f11c5279dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:59.313345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018202/manifest.json
observed d7e6f9c4d4837a869d9f276ccc309204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:59.294824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018202/publication.md
observed 44790ef4b909388c538704a1e9ed85a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:59.277011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018202/publication.txt
observed 4e8ba65cded36abbdbbbf6e3e63fd239...
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.