OpenTechnical

OT-2026-000031126

Publication integrity record

Foam pad vacuum gripper, pump fed, pulsed blow-off after 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-2026-000031126) never changes.

Identity and time

Publication numberOT-2026-000031126 · never reused
Internal UUID01a0ae74-87aa-72d4-9b4b-214485bf5a7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031126
StatusPUBLIC

Content hashes

Canonical text0ec5ff1ac5778e17daf369560e71cf4936baf2a399303295ff83ab1ac0a69f49
Markdown71d08dfc938852bfa20989f8533f4a0e7d5b8608faf10e337a40b74098f7c600
PDF
Publication pagefe768c29fde76bb95f83c7067363965d6f8d5e3e74324326ddbc0910b3a837ce
Manifestb762af1d487992cef1e28be160b7e9f5679677d06b00fe4903b538367a08c5ea

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
SignatureXrAMmYNJimAQu7USbnvjlCxpR1H7wkrUhyADfZsyQRmGe/gW1PeKe7D5wihb0VG41jlJSmThnoBtGVNra49OAg==
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

2026-09-17T11:35:33.759146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031126
observed fe768c29fde76bb95f83c7067363965d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.742076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031126/manifest.json
observed b762af1d487992cef1e28be160b7e9f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.722890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031126/publication.md
observed 71d08dfc938852bfa20989f8533f4a0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:33.703494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031126/publication.txt
observed 0ec5ff1ac5778e17daf369560e71cf49...
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.