OpenTechnical

OT-2026-000029174

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000029174) never changes.

Identity and time

Publication numberOT-2026-000029174 · never reused
Internal UUID01a0ae73-2aa0-7a19-a421-7c20ed456dd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029174
StatusPUBLIC

Content hashes

Canonical text5cab9817923470473e29bdf6f070c8ec1b3d8f345ee3ed28c20e86fd360d4175
Markdownfb1c3e152a55fec677de919f0054381b5773531543d9cbebaf2c63af929b930e
PDF
Publication page9a98c6da760c75e1ac581e5f274b290d97540d6b6b9cb8d4badc210091035777
Manifestf1dd04583b314ada03cfe6fb924386b966c220eac3c6529e8e15600fa72dfb6e

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
SignatureS1yU/lbDq8Y6j7P5m1NhmR84EimEnjZog/KfDJsvqJfNtTLPfs44ha9U77hVt4PZtLiA47CCb35molPhQ4jYDw==
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

2026-09-17T11:39:40.515341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029174
observed 9a98c6da760c75e1ac581e5f274b290d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.496923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029174/manifest.json
observed f1dd04583b314ada03cfe6fb924386b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.480207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029174/publication.md
observed fb1c3e152a55fec677de919f0054381b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:40.460504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029174/publication.txt
observed 5cab9817923470473e29bdf6f070c8ec...
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.