OpenTechnical

OT-2026-000027849

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000027849) never changes.

Identity and time

Publication numberOT-2026-000027849 · never reused
Internal UUID01a0ae72-a4a5-7623-a9d2-df0a992fe02c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027849
StatusPUBLIC

Content hashes

Canonical text2647a9c646ba22c6068499e05f495486356a66f12697e3437ffd3fa4b2b4edfc
Markdowna67a68563b9cd1d2848137412028531f030d72f439ed9d62c8edb006ea2bce9b
PDF
Publication paged85ac873cc65a8ef19636534d106a7ea6b9ecd5dfa51ce31d4a00eabe8e967d2
Manifestadae90f01e9182984081b48dc3046439e9c267beca81c4b08240fe72a7155889

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
Signature9FDPp+7dDQU7TLehFDUgxXw06n5idlS1CWpMgtmisigTZ/Ew5+pyhL4VDqr2wBOSMsZfILGd4+N0ttYIB82eBg==
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

2026-09-17T11:41:54.382648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027849
observed d85ac873cc65a8ef19636534d106a7ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:54.365566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027849/manifest.json
observed adae90f01e9182984081b48dc3046439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:54.349458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027849/publication.md
observed a67a68563b9cd1d2848137412028531f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:54.330093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027849/publication.txt
observed 2647a9c646ba22c6068499e05f495486...
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.