OpenTechnical

OT-2026-000055320

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000055320) never changes.

Identity and time

Publication numberOT-2026-000055320 · never reused
Internal UUID01a0ae86-a100-78b7-92ec-d1b70710c95c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055320
StatusPUBLIC

Content hashes

Canonical textc2c2653538de05d60db29d103be639fe81ee24f635c8e01848ac921988104824
Markdown6870436e612d6feb887874d456f96794d65209f6f1b1cbc9e5062485092272d5
PDF
Publication page2374f2c6063dfc72adf703d023494b4a6b45a4f58b4df9def9838a1682a7125d
Manifest1ccbb80b03ec1c23105ca9bb2c4f3dfdd961b793d080b9e62ffc69be2158060b

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+pLl34wMSXH1zgytj335RWBRTGKCDHhvvRthDVLiOCnSmM576QCwIfjlhimOtLnXZZxeK8F0msqq9KoIbG2PBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:56.272826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055320
observed 2374f2c6063dfc72adf703d023494b4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:56.254461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055320/manifest.json
observed 1ccbb80b03ec1c23105ca9bb2c4f3dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:56.234963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055320/publication.md
observed 6870436e612d6feb887874d456f96794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:56.214705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055320/publication.txt
observed c2c2653538de05d60db29d103be639fe...
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.