OpenTechnical

OT-2026-000104101

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump 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-2026-000104101) never changes.

Identity and time

Publication numberOT-2026-000104101 · never reused
Internal UUID01a0aea5-341f-7d85-ac4d-6c7be276f934 · 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-2026-000104101
StatusPUBLIC

Content hashes

Canonical text7165bf8b4fe7b9a7ee8a10177df7acef4038ffdb2700a849894b43900257cb9e
Markdown46abc14a65b668545ec491dbd137716bfef48d3cb6130c260e8d0c7ff9b6f8db
PDF
Publication paged56c5da212ca07c18cd19288f7d50b1342a4261ea11a6e3fb07343f854d8af76
Manifest6c640d67165f92bcac9b540aca258a89d0fb63ff6ff0eb52eab7e8660f80a771

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
SignatureJNyOA7mW6Xidjvyj9axQykz3Q/8nhVUFkR6MwJ0h3IOVD6xmnzQzf3Y+W1+9T8+O5a1X4cfESnzDaRmxtJYOBA==
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

2026-09-17T09:20:10.395483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104101
observed d56c5da212ca07c18cd19288f7d50b13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.380200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104101/manifest.json
observed 6c640d67165f92bcac9b540aca258a89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.363536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104101/publication.md
observed 46abc14a65b668545ec491dbd137716b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.346426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104101/publication.txt
observed 7165bf8b4fe7b9a7ee8a10177df7acef...
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.