OpenTechnical

OT-2026-000059831

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000059831) never changes.

Identity and time

Publication numberOT-2026-000059831 · never reused
Internal UUID01a0ae89-ec25-7b49-96a7-1df4b1bcb971 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059831
StatusPUBLIC

Content hashes

Canonical texteba2a0f718b685b91b4994a6fcb6a4148d108c9c4f164e4b27d8f580b76602f1
Markdownd7c95bd9da94906232ceb9996fec7e4a23b30ec4ed33912e2f3d638765bac908
PDF
Publication page5f01f597d95cdc51ca00277bc48c96dc1814ccddf16151b92258425e26f076e8
Manifestb0a92263eed91164682e3dbc261b0ebe5fbcb4bf8bec6f86067e1d2b68d4eea7

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
SignaturefRsMYCzYAsf6Zgc6/+udQq2+/cB+us3jiK766zq4zyJ142eRTZBGcI99ptxHolPZzxY8wqSPbakebRY9wkR6DA==
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

2026-09-17T10:44:34.623461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059831
observed 5f01f597d95cdc51ca00277bc48c96dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:34.605343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059831/manifest.json
observed b0a92263eed91164682e3dbc261b0ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:34.587384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059831/publication.md
observed d7c95bd9da94906232ceb9996fec7e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:34.570657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059831/publication.txt
observed eba2a0f718b685b91b4994a6fcb6a414...
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.