OpenTechnical

OT-2026-000008740

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, pressure sensor per zone, vented 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-2026-000008740) never changes.

Identity and time

Publication numberOT-2026-000008740 · never reused
Internal UUID01a0ae6a-e46c-775e-8fb4-baa5302d29a7 · 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-2026-000008740
StatusPUBLIC

Content hashes

Canonical text10db8f2440dba1fc84fd5a39cb7391222dab51692eb0505fa055c8bd853427fd
Markdown936dae7b240c8b8647edfcb68993f64e970faab1b27ff9cddc9ab7aba251766c
PDF
Publication page91ff2e36646cdd55c945b6f586eb25f6b94fdac4c855b0410efd20320e888433
Manifesta0ff0f3b6723f24a76f44261a48fee6856d27801a0bee023dc743984c7c10b17

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+44DGEI913kpbg8nnF9lCCZBwueY++lmWqmxyUiLGxNd8Tcw6AaAXPl51Kefhr619OOZe93Mx9cPtZTg9Y1sCg==
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

2026-09-17T12:18:49.839370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008740
observed 91ff2e36646cdd55c945b6f586eb25f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.820240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008740/manifest.json
observed a0ff0f3b6723f24a76f44261a48fee68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.799663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008740/publication.md
observed 936dae7b240c8b8647edfcb68993f64e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:49.777699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008740/publication.txt
observed 10db8f2440dba1fc84fd5a39cb739122...
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.