OpenTechnical

OT-2026-000008641

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000008641) never changes.

Identity and time

Publication numberOT-2026-000008641 · never reused
Internal UUID01a0ae6a-e46b-7d33-843f-d1e6c04e9608 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008641
StatusPUBLIC

Content hashes

Canonical text384cb8162f1d8d35a8cf41c60b4b734d0d66ed9906334ab61ff5354607cc86a2
Markdown6f30e945d9030f8020b6b201a980abc22dd8cc446671c3e5163b0e07f27a0225
PDF
Publication page9034aeaafbfbaa336eb2d928e8c0e9c0f65b6b6c4a0913776cddeb8319a2cfb0
Manifest2e007a9ccb21d454cebe55da2a5066d0b2273642558d25149b73179514be0c90

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
SignatureuD9QBAHfxCYFgO/p/qz6nakfmAW/Are5qLkuLKzfqUDlaXhNwpC/pLnel0bM6duQk10THlRbDw+hkpildVEPAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:36.658010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008641
observed 9034aeaafbfbaa336eb2d928e8c0e9c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:36.632642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008641/manifest.json
observed 2e007a9ccb21d454cebe55da2a5066d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:36.609958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008641/publication.md
observed 6f30e945d9030f8020b6b201a980abc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:36.590272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008641/publication.txt
observed 384cb8162f1d8d35a8cf41c60b4b734d...
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.