OpenTechnical

OT-2026-000103999

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000103999) never changes.

Identity and time

Publication numberOT-2026-000103999 · never reused
Internal UUID01a0aea5-15e8-7f01-b537-ad807e9a00fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103999
StatusPUBLIC

Content hashes

Canonical text85bf6d8b3d69f3b3ba5863e3080a00bb05bb66786827b71ed1ec3472624be368
Markdown5b2d4c99fd06fc7347ff84fcd22cfaabf0a71ae85c61736a5803d832a50cbf39
PDF
Publication pageab485c0a4debd2c6c904f15d27989fc3be07b2c79632b30f8fa7991610b8272c
Manifestaad7b70784545a55c93e69c342e5e99639583099c479bd8380e559892cdc84de

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
SignatureHebaxBrWR84qmbmnaunntAaes6JSIX8cs+w2PrdYbG7iPrEMLppueQla6YuY/eEvnuSP6nX6Ks63eNylQrvZBA==
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

2026-09-17T09:22:00.410196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103999
observed ab485c0a4debd2c6c904f15d27989fc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.392548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103999/manifest.json
observed aad7b70784545a55c93e69c342e5e996...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.375092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103999/publication.md
observed 5b2d4c99fd06fc7347ff84fcd22cfaab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:00.358325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103999/publication.txt
observed 85bf6d8b3d69f3b3ba5863e3080a00bb...
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.