OpenTechnical

OT-2026-000022158

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, sustained 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-2026-000022158) never changes.

Identity and time

Publication numberOT-2026-000022158 · never reused
Internal UUID01a0ae6f-f4fb-7cf2-abdb-8b8cea05e948 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022158
StatusPUBLIC

Content hashes

Canonical text9a3badf64d2e82ae98846c6d7b875af146d1660fd1a07d1cc275f49479735efb
Markdown8e6a6b0bcb2e455a35c375c5aa6cd2a31786a7e19a215947b5cdbdb3b174c94b
PDF
Publication pagea7ce393d1626a725c5fdd150468e97c6016f577ef079a3ffba4850addcdf1e0f
Manifest38b775740237aa782516d4b45c7f11cb56c555a277c04ad74a25615b5acf7a1a

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
SignatureXvUAo0fNRwdruL991lQafCNrpTMtNFVq6K37Z+2Yh6BO94V2YlkJQsO8/hhOHnxle2ZO3qO9Tc+D2vte5D0WBA==
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

2026-09-17T11:52:50.255241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022158
observed a7ce393d1626a725c5fdd150468e97c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:50.236423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022158/manifest.json
observed 38b775740237aa782516d4b45c7f11cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:50.218199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022158/publication.md
observed 8e6a6b0bcb2e455a35c375c5aa6cd2a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:50.200851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022158/publication.txt
observed 9a3badf64d2e82ae98846c6d7b875af1...
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.