OpenTechnical

OT-2026-000015883

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, pulsed blow-off before 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-2026-000015883) never changes.

Identity and time

Publication numberOT-2026-000015883 · never reused
Internal UUID01a0ae6e-0c4c-7315-a50c-e28514cdfa41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015883
StatusPUBLIC

Content hashes

Canonical textf7d2afba86bf75dceb65843a371fea8c565d84a505ec88996bd891cd4e55d2e5
Markdown84c8ccd152c0846082b4e634d852cb57673cd6b6c7ff86dba3215d7374eaf732
PDF
Publication page9de23e2daa11d0aa8130d8fc045db62d22ffc7453cd18b6de5e81a49d9bff61f
Manifest539ecfcf4f172fd3cfc0c5d6614c433b4d3f834d9ede86bb80d32bcdbc84355f

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/jcDBoJgjrzfqH11vuyOv0JINyOXAfB8pLcHrZEejkF52vM2q+3rIqL5qE7YCgJUP9FfcggEt1RMkkfKY/tTBQ==
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

2026-09-17T12:05:20.101826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015883
observed 9de23e2daa11d0aa8130d8fc045db62d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:20.081570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015883/manifest.json
observed 539ecfcf4f172fd3cfc0c5d6614c433b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:20.063054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015883/publication.md
observed 84c8ccd152c0846082b4e634d852cb57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:20.043151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015883/publication.txt
observed f7d2afba86bf75dceb65843a371fea8c...
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.