OpenTechnical

OT-2026-000085709

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, sustained 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-2026-000085709) never changes.

Identity and time

Publication numberOT-2026-000085709 · never reused
Internal UUID01a0ae99-aaae-7087-a3d9-e29b0406fae0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085709
StatusPUBLIC

Content hashes

Canonical text19edc71427b59659592297f33e5c4d8275a89e904660b0c8c71220bf92fbf628
Markdownf16e65270c3e1f6efdc977b1d273ab07b1c48d697c64d6b0c5b2c09f00a0d51e
PDF
Publication page0e7096ceda8a8d5e2d1e45746313cd783adba954e89f561e89b83b14c2398957
Manifestbe45bcb5676a2b353523f6584c504e68edbc366b3bcf01d919e36a15a7389cfc

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
Signatureqbvqz/HsKJ6pg/m0sy4OXvu44SWJB1NaKohK2AvI68CTTF52k/MlBvNE/UIEeFIucyp9YqBxhE5BLA6Rciz4AA==
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

2026-09-17T09:54:36.922807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085709
observed 0e7096ceda8a8d5e2d1e45746313cd78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.905347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085709/manifest.json
observed be45bcb5676a2b353523f6584c504e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.887145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085709/publication.md
observed f16e65270c3e1f6efdc977b1d273ab07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:36.869288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085709/publication.txt
observed 19edc71427b59659592297f33e5c4d82...
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.