OpenTechnical

OT-2026-000027806

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-2026-000027806) never changes.

Identity and time

Publication numberOT-2026-000027806 · never reused
Internal UUID01a0ae72-a4a5-71b6-a63a-a8a0514c298a · 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-2026-000027806
StatusPUBLIC

Content hashes

Canonical text449624a7f0ddeb00bc8d91d86e65485106ed0b62aea0dcfa4a7822b4f4955df0
Markdown55811ce5b51b9848cc1e71c5a1a92e6df063e20ef18736bc11e3677f868d1a1d
PDF
Publication page861b557647ad7ac347e3501c0a2e5f428813d22ad76dd5f2ee9ead9574112a4c
Manifestaff825cbb5f1635bc5016de9e6e901d227f4b1ec37c49647de366862f3842a0d

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
SignatureYz+u3GSDXSPTCMnj/4jHRPeBrR8VegWZivQfHHYpPfg4OETL3zLEqzRFw0uWOT3DGKrIT0xYpkBaCGD6vPaYBQ==
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

2026-09-17T11:41:50.534200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027806
observed 861b557647ad7ac347e3501c0a2e5f42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.510072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027806/manifest.json
observed aff825cbb5f1635bc5016de9e6e901d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.491990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027806/publication.md
observed 55811ce5b51b9848cc1e71c5a1a92e6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:50.474210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027806/publication.txt
observed 449624a7f0ddeb00bc8d91d86e654851...
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.