OpenTechnical

OT-2026-000011706

Publication integrity record

Foam pad vacuum gripper, 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-2026-000011706) never changes.

Identity and time

Publication numberOT-2026-000011706 · never reused
Internal UUID01a0ae6d-1940-7bcb-add1-79294c489f89 · 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-2026-000011706
StatusPUBLIC

Content hashes

Canonical text0c741b4a6aa93db9e912ca9f81ae56e2ff5560d18aed9ec9ba32fc6688417f60
Markdown2fc7c2c0b6ff549bb470dfb74cb4f3dac5574b9fb3bf60fc23f5e99fa98aa79a
PDF
Publication page53f189e1c685e116559f552b2b14b2b832e299748ff5aa8dad9c6718cb62d436
Manifestb510fea6221ca621debbaad3a1f400c722a8b39194ebf4f01847b01422c802a3

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
SignatureQHWhrjayB8YSRhpgbXJMbgczx4MCAthmYhex4Vbe8MdLCor0psHoVzfgrkLleuYFLyKMzswKIR8X9n1VGeGmBA==
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

2026-09-17T12:12:18.879943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011706
observed 53f189e1c685e116559f552b2b14b2b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.862680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011706/manifest.json
observed b510fea6221ca621debbaad3a1f400c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.845797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011706/publication.md
observed 2fc7c2c0b6ff549bb470dfb74cb4f3da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.827787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011706/publication.txt
observed 0c741b4a6aa93db9e912ca9f81ae56e2...
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.