OpenTechnical

OT-2026-000037773

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000037773) never changes.

Identity and time

Publication numberOT-2026-000037773 · never reused
Internal UUID01a0ae77-f889-79a6-a0a1-389713f3bc26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037773
StatusPUBLIC

Content hashes

Canonical text917b6f998a811af20046425b49667c1e524b6d80315bd70a13dba36dbd98a42c
Markdown701f1b07d43bcab3fd2b8e6d46f99f58351833f258124261713eaec11993f642
PDF
Publication page543f4265b859de7c8234c08a3dc3d4130e1369ee6ec061970acc7d9a5f92b258
Manifest8c6a495f8a0fdf4d64b31f3014eea92ea0084af8e43ce7bba9c8167bb1f08ad1

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
SignatureW04X7YgFfAiHnXajvP0zuk+arD0rvEX1MzYA9SEs7qk0O8KKR7uZdqlKO+4O1DFPtZHupm55aDgmjOJXBBcbDA==
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

2026-09-17T11:23:00.310998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037773
observed 543f4265b859de7c8234c08a3dc3d413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:00.293544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037773/manifest.json
observed 8c6a495f8a0fdf4d64b31f3014eea92e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:00.275456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037773/publication.md
observed 701f1b07d43bcab3fd2b8e6d46f99f58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:00.257300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037773/publication.txt
observed 917b6f998a811af20046425b49667c1e...
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.