OpenTechnical

OT-2026-000026280

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000026280) never changes.

Identity and time

Publication numberOT-2026-000026280 · never reused
Internal UUID01a0ae71-f4a6-7b7d-8e77-4b956fce7687 · 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-2026-000026280
StatusPUBLIC

Content hashes

Canonical text2750f2c99287f36241b5c1034b9997890741cbd67dfe9510466dbec4b711d7fe
Markdown907c162f6a207560bb5bfe9c8de876bd68f05175c774b1130d4e90de312eaa0e
PDF
Publication pageb870cd31d40ec53c30e6dc05729174325b73c815a2188690abd57ecd89709051
Manifest96beccced257ca29ac0a32eb053cb674ff74e617deb23ddaf2918cb8ea2de99a

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
SignatureCfbsyntubnhje+DrHf+u5ld2in3bIyvsWoOO1CaK5X8l+b0cfEmXQlYuLVDOa4m5rOi8OJZVYS/kchd1BEzKCA==
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

2026-09-17T11:44:13.639469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026280
observed b870cd31d40ec53c30e6dc0572917432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.622685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026280/manifest.json
observed 96beccced257ca29ac0a32eb053cb674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.606372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026280/publication.md
observed 907c162f6a207560bb5bfe9c8de876bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:13.589289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026280/publication.txt
observed 2750f2c99287f36241b5c1034b999789...
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.