OpenTechnical

OT-2026-000037725

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000037725) never changes.

Identity and time

Publication numberOT-2026-000037725 · never reused
Internal UUID01a0ae77-b8d0-7981-9701-f0de8730e2f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037725
StatusPUBLIC

Content hashes

Canonical textbdf2110ae58fcfc6d9e6ca99d83aeaeb82cd4f2d6e491d602762ef00ccba9ee1
Markdown51cd85374225dc0f0a0c665cb581511c8e43343d992b1f46d70802d5d60f62b1
PDF
Publication page1d3435cb1b3e15e7ff8292c1c2cd5ff97a542feab75d7829fd34abaa7b8c034f
Manifestfbad692936ae43dbcfdf2c13d272daa9346fc6f520fc2f43d528a8166c99d436

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
Signature2zz8HDslcjt7/J+rYEUMVKeW0SiIP12gmj7xLofQSOkXBTvC+T4HYZ2NdYps2w+0rqtaz9+8UNe16gbul2uNCA==
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

2026-09-17T11:24:19.347661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037725
observed 1d3435cb1b3e15e7ff8292c1c2cd5ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:19.331860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037725/manifest.json
observed fbad692936ae43dbcfdf2c13d272daa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:19.315633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037725/publication.md
observed 51cd85374225dc0f0a0c665cb581511c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:19.299537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037725/publication.txt
observed bdf2110ae58fcfc6d9e6ca99d83aeaeb...
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.