OpenTechnical

OT-2026-000014142

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off before 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-2026-000014142) never changes.

Identity and time

Publication numberOT-2026-000014142 · never reused
Internal UUID01a0ae6d-b278-7990-afac-12d5a8fc6172 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014142
StatusPUBLIC

Content hashes

Canonical textb4df8aafed6bcd2b5c349783d2a40d317749c599e526b616102bb2bf762f4b12
Markdown4363b1851159261f6b7d3aa7c1ed0b31447a3ff5fad156efaceecca740556a6e
PDF
Publication pageae92932a21e97c8e0a1b088ad260f8d091258c47bc350f3b68e749b6fb39dd81
Manifest18700e27dc55b3722a4b4efe0cb4778167d19284a78ec63e8c120e86e79feeca

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
SignaturexxgKJbUTYVpYN01Qffn2Axoz1EBOGIjX2/Mn+Xgu1GyPQX5v+M0h78BIrvbSzA2aofsnQSbqdH6nd5iLNHFSCA==
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

2026-09-17T12:07:13.225335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014142
observed ae92932a21e97c8e0a1b088ad260f8d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.203973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014142/manifest.json
observed 18700e27dc55b3722a4b4efe0cb47781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.183765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014142/publication.md
observed 4363b1851159261f6b7d3aa7c1ed0b31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:13.163340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014142/publication.txt
observed b4df8aafed6bcd2b5c349783d2a40d31...
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.