OpenTechnical

OT-2026-000038603

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000038603) never changes.

Identity and time

Publication numberOT-2026-000038603 · never reused
Internal UUID01a0ae78-2d54-74a4-98a1-5e33f69662a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038603
StatusPUBLIC

Content hashes

Canonical text77022c08b0d5125dfc0bbb3fffe23a14906b8eb8b96138ca7a3f5f2fe5b8cebf
Markdown8983e1b43ad1e7478bea99bb5139b53f6a894e83722743ff0a5575300ac982d1
PDF
Publication page85bda71f5fd47b3532a4f24231dae1306d2376b251cfa2cfec8db81e8816d8fc
Manifest73eb9af6041aee8b48743a9e8eb0c6594452cdb28cf1db8a7f386056417ddd87

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
SignatureMQF2WeU8kZOaUCuMkcNWeS68UY8uIZzDK+X3kY/mFo1Z5yceupTyDBJ0lenh6K9QyhU7W6XUHeCPuwIO8A9TBg==
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

2026-09-17T11:22:53.469870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038603
observed 85bda71f5fd47b3532a4f24231dae130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:53.452908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038603/manifest.json
observed 73eb9af6041aee8b48743a9e8eb0c659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:53.430430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038603/publication.md
observed 8983e1b43ad1e7478bea99bb5139b53f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:53.413038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038603/publication.txt
observed 77022c08b0d5125dfc0bbb3fffe23a14...
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.