OpenTechnical

OT-2026-000061701

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, vented 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-2026-000061701) never changes.

Identity and time

Publication numberOT-2026-000061701 · never reused
Internal UUID01a0ae8b-b8aa-7ac9-b57a-69d6f3561fc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061701
StatusPUBLIC

Content hashes

Canonical text7b36597def1e7c0a2c0ae016cd4f75fd267a22d7c5f191541e7e391f3648138e
Markdownff20b71e37cdd12e81421ea74d268dc28e30c5b9671234ed36434d7667ad6c88
PDF
Publication page45fa16527af881de0a965283e9f4fa4079f076d9d257626c130b6e941da1249a
Manifest47c9a55171bc0121d328465e297eb2eb203f12fa5086744a93dd464c319e125d

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
SignatureepPACDDX1x8MC5AAL4cfea80giILnvs/Npa0Pu5Q4Ty8PYbOk9llFXG4aH6ftb1NAuW2U9y11orXu3lB8KhgCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:16.071320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061701
observed 45fa16527af881de0a965283e9f4fa40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.050551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061701/manifest.json
observed 47c9a55171bc0121d328465e297eb2eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.028858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061701/publication.md
observed ff20b71e37cdd12e81421ea74d268dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:16.008422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061701/publication.txt
observed 7b36597def1e7c0a2c0ae016cd4f75fd...
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.