OpenTechnical

OT-2026-000043934

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained 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-2026-000043934) never changes.

Identity and time

Publication numberOT-2026-000043934 · never reused
Internal UUID01a0ae7b-d678-7f20-9c88-6d90a007e653 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043934
StatusPUBLIC

Content hashes

Canonical text92be0c099748eaddad9457213128c6e5e2373944b61e9dbdf3b7aa12dc7d5409
Markdownf5d030287a1a4e8215e90c3e49c4f2a4c8fd9939516148395bf9b63ce548c673
PDF
Publication pageb1d1e3fe078145953277fa91d1579fef2ddd2a16ec599109269551be037f0b1a
Manifest4883dbc611c305964bf0b98d94b41b1ed965fb0da889384a51859b669d471730

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
SignaturefpUNzjDTeEix4gWDBN/V2vHQLg4cQxAIXIycIUqLOGEIomMgtu2mLsed+Re2YMUrhNMq7mls8YZ1KosdPsIyAA==
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

2026-09-17T11:12:17.009346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043934
observed b1d1e3fe078145953277fa91d1579fef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.989816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043934/manifest.json
observed 4883dbc611c305964bf0b98d94b41b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.969469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043934/publication.md
observed f5d030287a1a4e8215e90c3e49c4f2a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:16.950316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043934/publication.txt
observed 92be0c099748eaddad9457213128c6e5...
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.