OpenTechnical

OT-2026-000098870

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold 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-2026-000098870) never changes.

Identity and time

Publication numberOT-2026-000098870 · never reused
Internal UUID01a0aea2-8286-7ff3-85d5-14d93d781052 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098870
StatusPUBLIC

Content hashes

Canonical text62746083d1688a28c44ae62ad9c3f95839eb9601acb5678cb03df3ea80b0d5aa
Markdowndd7caad4cce4c2c71ccfeed3df96abfccec48c3062f11804c810bd3392a3d767
PDF
Publication pagecb8f3fc0df45842abc7c830780d62c390a5b304e78c079815f34c2e9759fd827
Manifestefd03fc54d1ebabceb30ef05a414fc2e8261a531ab544e501b4adf5ddfadca6a

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
Signature8DB6ekBPVOcVeQpjzLPmlRIsr1pnGvts3d4dqOp+DsvUGJh1/l2G1eaIc4WK5g7VU8PRDC+/hQuJaLUNhS2tAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:55.065938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098870
observed cb8f3fc0df45842abc7c830780d62c39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.049816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098870/manifest.json
observed efd03fc54d1ebabceb30ef05a414fc2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.030099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098870/publication.md
observed dd7caad4cce4c2c71ccfeed3df96abfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:55.012988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098870/publication.txt
observed 62746083d1688a28c44ae62ad9c3f958...
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.