OpenTechnical

OT-2026-000027810

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000027810) never changes.

Identity and time

Publication numberOT-2026-000027810 · never reused
Internal UUID01a0ae72-a4a5-7953-9a2b-dabd6da78e55 · 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-2026-000027810
StatusPUBLIC

Content hashes

Canonical text9ea5f8b9488929194cd5d97f9ff25302c90777b6fcb8b613bfafa55959168b98
Markdownefa8f3f6d9b7f210e80a86ca20a24d47ae7b7be5dd89ec0eabc9ac12fa9fd76e
PDF
Publication pagee6c80d097d34daabfa5112769b228d1802e9c39bb727fe862aac93ddf72b5b4c
Manifestc805eee3880b31caad1c5e4df19e7a21b488eab8fe57ea7804735d681563d3c7

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
SignatureGcpTiqu8mH2Bf8wcO9MDBu5xE2DymnkBJ8QgOUw/7/PYfehWNhyaL0cmIE38WTVpaJ1SGt1cYdezewvAE/m9BA==
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

2026-09-17T11:41:51.571837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027810
observed e6c80d097d34daabfa5112769b228d18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.551764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027810/manifest.json
observed c805eee3880b31caad1c5e4df19e7a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.528893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027810/publication.md
observed efa8f3f6d9b7f210e80a86ca20a24d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:51.509126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027810/publication.txt
observed 9ea5f8b9488929194cd5d97f9ff25302...
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.