OpenTechnical

OT-2026-000011846

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000011846) never changes.

Identity and time

Publication numberOT-2026-000011846 · never reused
Internal UUID01a0ae6d-1941-7107-b9c7-ebe7d28df5e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011846
StatusPUBLIC

Content hashes

Canonical text04350c0c653653ee4f80a07ed6fe1a15ac4949c37374c318cd1739f4b3bc9769
Markdownfb315588999b66c497ba074a9e0db9c22f27a2973b89a4af6947276601c60a73
PDF
Publication pagecdd58f69034438871212fe549a55ace728ee8618ce71ec2b63bf80f04246740f
Manifest52b6c74f2337d82d1f2ddc0629cf959297c4d2b592326e72e9c8144bcecd2b9b

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
Signature++ckfSKZ2l6AgZi5QbEnexk6doz5GdSIFBsm6HTlJYWbiob/0a/qsPgRImrQROvmxiWlLEOBlmN3O0TDZ51CCw==
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

2026-09-17T12:12:35.189002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011846
observed cdd58f69034438871212fe549a55ace7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:35.169844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011846/manifest.json
observed 52b6c74f2337d82d1f2ddc0629cf9592...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:35.150690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011846/publication.md
observed fb315588999b66c497ba074a9e0db9c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:35.130702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011846/publication.txt
observed 04350c0c653653ee4f80a07ed6fe1a15...
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.