OpenTechnical

OT-2026-000015114

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000015114) never changes.

Identity and time

Publication numberOT-2026-000015114 · never reused
Internal UUID01a0ae6d-ef47-7e20-bbe9-0ee750bc8d42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015114
StatusPUBLIC

Content hashes

Canonical text0112710e1f116d76367552313d04f364348de209d3d502a05f2c56f69efcef7b
Markdowndfe0c7d222fd6fed4d6abacd742c1671488d0e3618a66f222a8f6edae11d8e60
PDF
Publication page0bacc1381e82f8b13b2e10d36caa734138130623b25186d1979187af586b0e30
Manifestc5d7d73735c1014df167e783537259c895a219feaa03e9b6c2b380a7fdbce91c

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
Signature46TaxKfQFqSYf+QviJauVS/fF+1UC+wZkDLcuuJTc00IlzU4GgGMRZgP6VLQR7BRET8VLOqY5iy3tnToi5WKCg==
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

2026-09-17T08:44:03.268370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015114
observed 0bacc1381e82f8b13b2e10d36caa7341...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:03.045023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015114/manifest.json
observed c5d7d73735c1014df167e783537259c8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:02.733951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015114/publication.md
observed dfe0c7d222fd6fed4d6abacd742c1671...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:02.291606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015114/publication.txt
observed 0112710e1f116d76367552313d04f364...
fetched by grabo-systems from 34.44.131.203, 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.