OpenTechnical

OT-2026-000048029

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000048029) never changes.

Identity and time

Publication numberOT-2026-000048029 · never reused
Internal UUID01a0ae7f-c423-7736-8304-69c3e333a67a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048029
StatusPUBLIC

Content hashes

Canonical text494d6ffb4d744ce89c428354849ecc8eef78e272b5d22779a51b94aad63da405
Markdown8ba159953eecb2712b0d27361ca501dc6648352acf5572278d1391d406fdfb64
PDF
Publication page4d843219dd8ca79f94650f2be74e583abb89fe241fbfd3ac2a8420835fc70e28
Manifest8d207dd482940e7dcc21960054d3c5acdf9f4ef2c0afae649628ce53780c3095

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
Signature+ni4dN6PI9Jw3MuU0FX/GRX+DMmcF+/H6Qf23e//LVQCytJHTXp+hILKbzcm81dML84eQ+3phtVHuQ4JNB31Bg==
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

2026-09-17T11:06:01.639191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048029
observed 4d843219dd8ca79f94650f2be74e583a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.620093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048029/manifest.json
observed 8d207dd482940e7dcc21960054d3c5ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.598943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048029/publication.md
observed 8ba159953eecb2712b0d27361ca501dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:01.579551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048029/publication.txt
observed 494d6ffb4d744ce89c428354849ecc8e...
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.