OpenTechnical

OT-2026-000016503

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000016503) never changes.

Identity and time

Publication numberOT-2026-000016503 · never reused
Internal UUID01a0ae6e-2d13-7879-9a97-4d1b123abc33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016503
StatusPUBLIC

Content hashes

Canonical text6ba6add2509d36ffcdd86fd4ea932cdaa8e16f6a36c07b64935aa04fe8fc823c
Markdown327c1a219a1cba6d2e9a1d10da6b00500c68116735f852bde767217e666a7811
PDF
Publication pagefaff3a10818827420c0f1179553724c1f457bce73488dd5ac7ac53b27090f86b
Manifest33bba214dfc399df0a324eae5553d234cbd61f5f4c492ded630f56d54c5f756c

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
SignatureSxt2Q64X0Aak7867o6QVGugrGE0wtzNvTjNd0yGk751SJdHi5Ewb08STXL0j3IRyKH2uimnP68ONGfx1QCk5CA==
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

2026-09-17T12:04:42.835898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016503
observed faff3a10818827420c0f1179553724c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:42.807168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016503/manifest.json
observed 33bba214dfc399df0a324eae5553d234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:42.785538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016503/publication.md
observed 327c1a219a1cba6d2e9a1d10da6b0050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:42.755347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016503/publication.txt
observed 6ba6add2509d36ffcdd86fd4ea932cda...
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.