OpenTechnical

OT-2026-000022389

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000022389) never changes.

Identity and time

Publication numberOT-2026-000022389 · never reused
Internal UUID01a0ae6f-f4fd-76b0-a22b-145e54c267d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022389
StatusPUBLIC

Content hashes

Canonical text63a0e745d97576c43ad3f823e559511a8e1c22cbb144d89e718bc546e2798f15
Markdown20ebcfc87fabaa6c2427ec3b504efde05043a51cb0b6cb86eca532a5d1316f3c
PDF
Publication page49d606251dde89b16cb7ede97202e647d064c120738dbea83bd6f74fa34ad2b1
Manifest7b43f3312ff7489f79516a5e7d7e5941aa5611b563edb7c6695ae7f70a9450be

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
Signatureapv04S/aogBh4zRQwoPXv/zD/VQ7J1b/olYYFnGiYaRIg97nDTaiq4S0t+zvNVtIxdhYc0JvYTA1PzqBRUvfBw==
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

2026-09-17T11:53:46.021373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022389
observed 49d606251dde89b16cb7ede97202e647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:46.005364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022389/manifest.json
observed 7b43f3312ff7489f79516a5e7d7e5941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:45.990354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022389/publication.md
observed 20ebcfc87fabaa6c2427ec3b504efde0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:45.974392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022389/publication.txt
observed 63a0e745d97576c43ad3f823e559511a...
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.