OpenTechnical

OT-2026-000088879

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000088879) never changes.

Identity and time

Publication numberOT-2026-000088879 · never reused
Internal UUID01a0ae9b-8f11-7cfd-9adf-44e2c20f575e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088879
StatusPUBLIC

Content hashes

Canonical text3e671fa55dcbb54fd1e670168f684c2ee8f2aa22b85fe955f6bd47bbabe74fc1
Markdown8b925ed16652e2bd000ae1d67d2f906767f80f58c71bb07d10a24c9d8d5a7409
PDF
Publication pagea58a021547f8e6dd8a7ddc218fbfc28f98f2c0d30fcd537dba9edd6f85fdc670
Manifest050bad65f34a7adcbb7cb86d74bdb72d8f97b89d12d77c0d06659792ec1a6df1

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
SignaturefUaM9v9ixRAac+INiv4c9os1kPacbWp0LNV7LmxjQXmflH8NGaC9Vw82UkJDmn5ACXvB+NMwr8MZn1qxx4VJDw==
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

2026-09-17T09:48:16.671574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088879
observed a58a021547f8e6dd8a7ddc218fbfc28f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.654272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088879/manifest.json
observed 050bad65f34a7adcbb7cb86d74bdb72d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.635364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088879/publication.md
observed 8b925ed16652e2bd000ae1d67d2f9067...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:16.615156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088879/publication.txt
observed 3e671fa55dcbb54fd1e670168f684c2e...
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.