OpenTechnical

OT-2026-000104080

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000104080) never changes.

Identity and time

Publication numberOT-2026-000104080 · never reused
Internal UUID01a0aea5-341f-7064-b59e-9c4b192f4f50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104080
StatusPUBLIC

Content hashes

Canonical text44ff38072e076ae353d253668331605b2da86ab7f230448d2f2c511b9dd42764
Markdown26813c14e88cefdace4f3de6d989df147fb4dcec56c6ba39bf3322df97c5b981
PDF
Publication pageb5568c76f72be106d5fcba09a698df16ae8bb7e04aece029749d7358b3d4114c
Manifest92bfd6f1b3e732c5741df9bc44621bce080fb7b34953ea43d84c1ee3b3a37d8d

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
SignatureT/WzARxT4/jmSrkS7Iwy3F6LyZhHPrmaU477IVCUWH58fC9Td7WQTKoKQm00pl3scKY9Buaozr1xbTReMPgHDQ==
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

2026-09-17T09:20:04.305672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104080
observed b5568c76f72be106d5fcba09a698df16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.289502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104080/manifest.json
observed 92bfd6f1b3e732c5741df9bc44621bce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.271174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104080/publication.md
observed 26813c14e88cefdace4f3de6d989df14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.253572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104080/publication.txt
observed 44ff38072e076ae353d253668331605b...
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.