OpenTechnical

OT-2026-000073239

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line 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-2026-000073239) never changes.

Identity and time

Publication numberOT-2026-000073239 · never reused
Internal UUID01a0ae92-efb6-73fc-89f0-b3f0f9bb8892 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073239
StatusPUBLIC

Content hashes

Canonical text405271746138e126f99c39fed5acf2f6e6ca5b3125a2f0c2e5d52d6fdd84d0e9
Markdownf85ccd42a65adbf94b8a5c5f6c6b78ed298b5aa9d5c9bced36d1044791d77056
PDF
Publication pagefbbf3d1b0e96e8c42d2770f86bfe59d2d56a1e71ed9e11565653c6215d57559b
Manifestbc2160f99f86589befc2ce1b5c4705faf74c4e0fcacb6474f75d57e06813a4be

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
SignaturebFo+9K4aXmEvKSMPLaYg6dHiolyZz/TOMUPy67B0GrTyyX50Shv7pzYc59rNni5hy3CxhI7ub2pi/+UjLhMkCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:13.685020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073239
observed fbbf3d1b0e96e8c42d2770f86bfe59d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:13.664136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073239/manifest.json
observed bc2160f99f86589befc2ce1b5c4705fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:13.645956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073239/publication.md
observed f85ccd42a65adbf94b8a5c5f6c6b78ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:13.626322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073239/publication.txt
observed 405271746138e126f99c39fed5acf2f6...
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.