OpenTechnical

OT-2026-000098042

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000098042) never changes.

Identity and time

Publication numberOT-2026-000098042 · never reused
Internal UUID01a0aea1-92f8-73ea-9c26-09871bf5cdcb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098042
StatusPUBLIC

Content hashes

Canonical texta346a0ac3d7952895667a3aa6199def9f31b2478ac5e66a5c3f2c57deca266b5
Markdown6f15ec65416cbf0fe4988363b93e916404f3abe3c17d2deb1d53c08cda6900a8
PDF
Publication page456e72d294f5016c9a960228f2850bc27bbdb704cbbc78ef4a4ba6791667aff0
Manifest612bf6a19e09329cf60050c64d1bd68b1db9edd445f0bdc77af84d635a76e22a

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
SignatureZYCDv3fsRfE00HiwEbUD56LnrxFR8w1jWWOASuzlGffCoXOHX/YbYaW/hpdKWOwXN6JGRwsB2kt3aD2gLLOWAw==
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

2026-09-17T09:33:13.309454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098042
observed 456e72d294f5016c9a960228f2850bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.291669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098042/manifest.json
observed 612bf6a19e09329cf60050c64d1bd68b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.274800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098042/publication.md
observed 6f15ec65416cbf0fe4988363b93e9164...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:13.256747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098042/publication.txt
observed a346a0ac3d7952895667a3aa6199def9...
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.