OpenTechnical

OT-2026-000103020

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000103020) never changes.

Identity and time

Publication numberOT-2026-000103020 · never reused
Internal UUID01a0aea4-be3d-77d1-a232-333aabfff173 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103020
StatusPUBLIC

Content hashes

Canonical text65eff6bbaa25ba4d77d793e13d4e41d28fbaa1ca65db1c7cfed3234eb6e5db7f
Markdown036c932cf4ca6a780bca3a6a2ad78e576e4f2559602aa07577ba5d5c9d11eed3
PDF
Publication page4d1835b9fdbdd04647c481614110faaf131a845d0ec3fb9660b9d5950ba3e684
Manifestf6f030bbb0336856800730146cf12da849b9119b0150f349e2884bf043a548b6

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
SignatureZ8IJhVQaL+Eqet7wgDDzqi1/Hx5rDk2O96Fa9z/f0FCgcnL2sSPzZRf2dtYytLGkhsliWsa1scg3lY8UnD2gCw==
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

2026-09-17T09:23:08.327905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103020
observed 4d1835b9fdbdd04647c481614110faaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.309356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103020/manifest.json
observed f6f030bbb0336856800730146cf12da8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.288896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103020/publication.md
observed 036c932cf4ca6a780bca3a6a2ad78e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.267593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103020/publication.txt
observed 65eff6bbaa25ba4d77d793e13d4e41d2...
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.