OpenTechnical

OT-2026-000022950

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, sustained 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-2026-000022950) never changes.

Identity and time

Publication numberOT-2026-000022950 · never reused
Internal UUID01a0ae70-46ec-7d27-ae6d-a65cdb4c101e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022950
StatusPUBLIC

Content hashes

Canonical textcb581d4957c2de4372273696164edcba2daff60770b0e4053513dabd756e5985
Markdownf7ebeabcf7ee4c5833fd58519c6fa5dfba2366e20e86fb7340509b20230e7d0f
PDF
Publication page053400b3aaa998f15433933a975631a408bd986f0fafc88f1b162b1fb62a6b3f
Manifestd677f48aa43a3eab9e24a63a5d6a77ec94a57c8abd9692d431cc572af80f36c2

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
SignatureCBsL5vGCwbDkRs2w+GKO5lFaHDqPa/0P/1wYMrEwcIzWjd8acNW22iyIE0yuXcyHcT72FdKWHuyLyoJYhSR3Cw==
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

2026-09-17T11:52:32.027452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022950
observed 053400b3aaa998f15433933a975631a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:32.011880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022950/manifest.json
observed d677f48aa43a3eab9e24a63a5d6a77ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:31.995467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022950/publication.md
observed f7ebeabcf7ee4c5833fd58519c6fa5df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:31.977879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022950/publication.txt
observed cb581d4957c2de4372273696164edcba...
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.