OpenTechnical

OT-2026-000030475

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pulsed blow-off before set-down

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-2026-000030475) never changes.

Identity and time

Publication numberOT-2026-000030475 · never reused
Internal UUID01a0ae73-e504-71e5-b616-51d55ad4a593 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030475
StatusPUBLIC

Content hashes

Canonical text1b8c1c812080629bbd48bc2c91439ac5e9a1bc2cf1f9c6f9d0bcf7c3f5a0056d
Markdown08ba5157e242fb9ea733566df522a3345fe8f790062eb88a9e168838fbd78838
PDF
Publication page8469c439af0242ac5fd0c78c9ca576c5f5c95a6b322b1120bd993207d9af8711
Manifestac8f6aaf37936360eae4cedc3bfbe0fb41160d69f0640a07d5035c9ead290de4

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
SignaturezoCEnXiEQgN/R2FBpUX08FNiMkeDbtdixkwyxlzbVHFdIiF+KSvWf6RvfSpUSR3qBoALx//afVhl/nL/c14yCw==
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

2026-09-17T11:38:19.349775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030475
observed 8469c439af0242ac5fd0c78c9ca576c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.330190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030475/manifest.json
observed ac8f6aaf37936360eae4cedc3bfbe0fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.313137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030475/publication.md
observed 08ba5157e242fb9ea733566df522a334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:19.296078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030475/publication.txt
observed 1b8c1c812080629bbd48bc2c91439ac5...
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.