OpenTechnical

OT-2026-000018729

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000018729) never changes.

Identity and time

Publication numberOT-2026-000018729 · never reused
Internal UUID01a0ae6e-d520-7dd0-96df-73b19810c93c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018729
StatusPUBLIC

Content hashes

Canonical text32f1017c56fab104cae73017583a5b416630b804642d11630b2daf3d60d11d01
Markdown2b9984af913ef0abe6413eb4d8d0cf477667fe2ea7b8796e1c4f894eba3ab697
PDF
Publication pageb6bc054d0defeeedc8458a64ac0d82851bdf43c84da490e79008d1ffe0267867
Manifestf7515d182bb9f672a26ed77a0d45778c0aa9aadc7530241a4cd4897ed7049d6f

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
SignaturectRoC3DHVJD2OEbq0Cj0HvdCdxak3cA9eVMNzpuRbj3s/C0uUxTPZHTNkLiyg6+CbsL/v+/U4hX7J7NOfUCqBg==
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

2026-09-17T11:59:20.233541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018729
observed b6bc054d0defeeedc8458a64ac0d8285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:20.216500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018729/manifest.json
observed f7515d182bb9f672a26ed77a0d45778c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:20.196675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018729/publication.md
observed 2b9984af913ef0abe6413eb4d8d0cf47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:20.179070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018729/publication.txt
observed 32f1017c56fab104cae73017583a5b41...
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.