OpenTechnical

OT-2026-000023120

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000023120) never changes.

Identity and time

Publication numberOT-2026-000023120 · never reused
Internal UUID01a0ae70-7266-71f0-8b1e-980f3b72fede · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023120
StatusPUBLIC

Content hashes

Canonical text49ad9c1ded58d19caa345c206aca4c68b2a3566214e6075ccb34df42e57a0884
Markdown497f24f24ccafe4648008ac82533fb6910df4c88cefb22997955424999eb459e
PDF
Publication pagef8e26a9dd3a08c7893b803859e628dc2ec447446776a0bccadedcdc452e1bd50
Manifest3fdd107196d989e4776a1da4d05476fab2e258165e9bf90584eefe011d536556

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
SignatureV49jjltKG5AQe1+l3c/3kAcMGuCKx11W+Dn7k2B8tgI89I471vOOAZHR2cwL5zegVywZ5wbAz3LSPiz+BDtbBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:02.839539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023120
observed f8e26a9dd3a08c7893b803859e628dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.820412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023120/manifest.json
observed 3fdd107196d989e4776a1da4d05476fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.800640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023120/publication.md
observed 497f24f24ccafe4648008ac82533fb69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:02.774973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023120/publication.txt
observed 49ad9c1ded58d19caa345c206aca4c68...
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.