OpenTechnical

OT-2026-000016077

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000016077) never changes.

Identity and time

Publication numberOT-2026-000016077 · never reused
Internal UUID01a0ae6e-0c4e-761e-ba87-41db77cd4482 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016077
StatusPUBLIC

Content hashes

Canonical text498b62aa38ab252789c36623a85a6616d2e5109f91c958b6fc23c6b4e6cae24a
Markdown699aa5b7fa7edb54c08bf4da9dd7696c7f69651b69ab5a00fc4588dd433db8fd
PDF
Publication pageb9ba8f74f556af89d3dd4f21b9a2399adf9a309d344698c46dc0f33b2f9f7a15
Manifestb92e9cb73ea9e08a562154b91a2a59a58e4e6ab5b0c2c1b60d5b04fafa4f2054

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
SignatureXMpTZR6owSHx4QGQFVp3rRngjcPu0FdDoDkf9gi/YLVGwl5dSzqwCRhPmWC09HcZ0iOAMxzz81ktYS9ItmswDg==
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

2026-09-17T12:05:38.696235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016077
observed b9ba8f74f556af89d3dd4f21b9a2399a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:38.678040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016077/manifest.json
observed b92e9cb73ea9e08a562154b91a2a59a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:38.654680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016077/publication.md
observed 699aa5b7fa7edb54c08bf4da9dd7696c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:38.632677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016077/publication.txt
observed 498b62aa38ab252789c36623a85a6616...
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.