OpenTechnical

OT-2026-000085627

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000085627) never changes.

Identity and time

Publication numberOT-2026-000085627 · never reused
Internal UUID01a0ae99-aaad-7194-aafc-042f749dfc85 · 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-2026-000085627
StatusPUBLIC

Content hashes

Canonical texta7cd34e50374557e44bc025975c532346b63c6eb53614f21dc93c8863b149b92
Markdownfda89ba352f96d4fa8088676580cd7625b08df33233fa2764704c17ec57e5866
PDF
Publication page464aeb7873cac1a10b6f038049d9e872c4bda632d4cdf67cb2dffddb5d74dadb
Manifest5ce0b53cd14c977280b397c3e7b1fcaaf63fbe3fd2f75969cfaf482b8d3566aa

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
SignatureTGkxMNM/o/bdSNAu2z7ZqLBtVVXWFJpyGqxa4oFUkWGUTdTLkkf1LjxiiugWn0Z1Ua9JdPTXzHULIanbucJeBw==
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

2026-09-17T09:54:30.715873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085627
observed 464aeb7873cac1a10b6f038049d9e872...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.698032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085627/manifest.json
observed 5ce0b53cd14c977280b397c3e7b1fcaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.680393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085627/publication.md
observed fda89ba352f96d4fa8088676580cd762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.662594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085627/publication.txt
observed a7cd34e50374557e44bc025975c53234...
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.