OpenTechnical

OT-2026-000018376

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000018376) never changes.

Identity and time

Publication numberOT-2026-000018376 · never reused
Internal UUID01a0ae6e-b489-7728-97bf-5bbf40c3ac72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018376
StatusPUBLIC

Content hashes

Canonical text924daf00d537c2f752cc03987a24d0b2902d0185f33c173aefbb110dbeff1bd2
Markdown2e398c04eb6d2774b060d1df49a20572debc5deccd4214b2a31361596e166008
PDF
Publication pagefa8d80024310d9073ab2f42ef4f80d79320d48a13531a0584d624cd377eccf15
Manifest05226ef7ff7f3fd3c0b0ad625db6ad260d94cd2e8042b5a7ff3ea9715e5adec3

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
Signature32fQpR5YNhn6SZ7o/GOmwfN0tW3JyeGAKDvHN4Oc8PZ0qXuW+E4nPEzEVdmt9GdGWJsMe4NiaStpBQjn2icjDA==
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

2026-09-17T12:01:06.916333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018376
observed fa8d80024310d9073ab2f42ef4f80d79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.897583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018376/manifest.json
observed 05226ef7ff7f3fd3c0b0ad625db6ad26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.880839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018376/publication.md
observed 2e398c04eb6d2774b060d1df49a20572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:06.864904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018376/publication.txt
observed 924daf00d537c2f752cc03987a24d0b2...
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.