OpenTechnical

OT-2026-000069107

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069107) never changes.

Identity and time

Publication numberOT-2026-000069107 · never reused
Internal UUID01a0ae90-6dce-7c2e-b412-180ce1aa1d85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069107
StatusPUBLIC

Content hashes

Canonical text66fab5f8fd101ab1a1b940927be68fcbb25561ca4776e6bb2099e078a2f129f6
Markdown52c619d7e85712703f16e97f72ebdbaff35f0f9978cf474dad330004b0164dfd
PDF
Publication page8da48babf01f42978dc06011c230c5cafb83194e9054d402cd4d57cc18f48f7a
Manifest70d34b31fa69b60ab5eb6bef0c967a9146dda33b61bdeb5f7fa7a61196c8fbd8

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
Signature2hHuseSzByM7YRNSCX8YFHfUfrOYKg0El2DlcuuiimEm3LCQPwu4amnoAPz8O74Ah6mvnfnHLXJLAHQNRTPZCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:59.106616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069107
observed 8da48babf01f42978dc06011c230c5ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.089695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069107/manifest.json
observed 70d34b31fa69b60ab5eb6bef0c967a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.074184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069107/publication.md
observed 52c619d7e85712703f16e97f72ebdbaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:59.054373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069107/publication.txt
observed 66fab5f8fd101ab1a1b940927be68fcb...
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.