OpenTechnical

OT-2026-000061773

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single 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-2026-000061773) never changes.

Identity and time

Publication numberOT-2026-000061773 · never reused
Internal UUID01a0ae8b-b8ab-7352-922e-efd745ed4f1f · 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-2026-000061773
StatusPUBLIC

Content hashes

Canonical text6ccfd73439684409911c175c203dd9d88f1cd8419bee5f7030e93f829feefeb9
Markdown8570f28a2c147614f9a9115e5c84f206b4359b709ef3b9c62aaf03b678b48417
PDF
Publication page2c89191d83c80c34e4d31e487edaf27ecb5bffcead4c322cdbaa343c38abd1db
Manifest1025e5efc6a5230060b040a0537bc309eb2a82d6b3615256a48b88e855e1b63d

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
SignatureFQRGeFgPi9qYBru2ZhhttdRCdD1rTByisaQ/jDDAMpM79lIv5Gipq9WoI/nUsxDsUbfnPdCx9A4ClTuk8hsoBQ==
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

2026-09-17T10:40:29.033874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061773
observed 2c89191d83c80c34e4d31e487edaf27e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:29.012098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061773/manifest.json
observed 1025e5efc6a5230060b040a0537bc309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:28.962832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061773/publication.md
observed 8570f28a2c147614f9a9115e5c84f206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:28.909458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061773/publication.txt
observed 6ccfd73439684409911c175c203dd9d8...
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.