OpenTechnical

OT-2026-000049936

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line 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-2026-000049936) never changes.

Identity and time

Publication numberOT-2026-000049936 · never reused
Internal UUID01a0ae81-fd76-79c6-9887-1f8724c0b8a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049936
StatusPUBLIC

Content hashes

Canonical text6826f7bea8eace1ad478481f5e5d3a3123be6e9bf3ace85f3080455c917039a2
Markdownb32f76a6bc68e887ca7ab9a8a760c7a20bccb9a89857996f02ea7077b6891831
PDF
Publication pagee613d10385cee5d4df473be6aabb64334ab84bbab74a49e29b389e5bf7a06f1a
Manifestc50af08ac284a8a35cca7fff8411a0b4d869fd81ae29c604df07612995dbebee

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
SignatureqbrJtOFxPHvlBlfHl9ToJKE2RiC6gdxmo4jY+ifNZ9Sv+ZF2/hTBgESXVSkNJvfYwzmdAaBVIvfHnQrDG+syDg==
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

2026-09-17T11:01:52.263439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049936
observed e613d10385cee5d4df473be6aabb6433...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:52.242763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049936/manifest.json
observed c50af08ac284a8a35cca7fff8411a0b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:52.220011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049936/publication.md
observed b32f76a6bc68e887ca7ab9a8a760c7a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:52.191348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049936/publication.txt
observed 6826f7bea8eace1ad478481f5e5d3a31...
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.