OpenTechnical

OT-2026-000013773

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000013773) never changes.

Identity and time

Publication numberOT-2026-000013773 · never reused
Internal UUID01a0ae6d-8de9-7794-855b-7a8423aab902 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013773
StatusPUBLIC

Content hashes

Canonical text9616966c366b153a75ac5e0b96389ab47eda67c21b93e74a29e9b4d91857800a
Markdowne35c4fab125c46cfce53981b50d5adf3afa1fde03b2f6c29824c5f6160301e29
PDF
Publication page68eb93ce9cccc135df8050de7b03e0a13a3dc9359f25f6f1a741b0f01888939d
Manifest495a9187d0ba0a0ef6c583b2f5c50bf64d4e19e4dbcbc643e18a00636486973d

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
SignatureXHH7VB2Db1ppi3guSg2StRC5GinxZ6bW55pCY2MAlR9AdAKSi/elLkVv2JleCUoGyM/jLiWWR52p4Cy6UAIACA==
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

2026-09-17T12:08:51.260637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013773
observed 68eb93ce9cccc135df8050de7b03e0a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:51.241932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013773/manifest.json
observed 495a9187d0ba0a0ef6c583b2f5c50bf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:51.222238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013773/publication.md
observed e35c4fab125c46cfce53981b50d5adf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:51.202931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013773/publication.txt
observed 9616966c366b153a75ac5e0b96389ab4...
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.