OpenTechnical

OT-2026-000020500

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000020500) never changes.

Identity and time

Publication numberOT-2026-000020500 · never reused
Internal UUID01a0ae6f-437c-7e0a-ab1d-042e56376068 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020500
StatusPUBLIC

Content hashes

Canonical textf8d0ceb2a4552a11e6a0dc8020bc2c3ac576698db1d8628a57ba33af9b5bcc8d
Markdown13bf95544db5d3a586fb9814cb8bca0cd3ac9b6601dfec42abfae0595e272ef6
PDF
Publication pagecd0d9e978ea7321bda902cc942bed6c6c08d3bc6a14566b9d92e96e96b200432
Manifestb1272ea8e60ef279ec5aa071d16382960639b8a353ef48a780ee8ebdd0da8340

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
SignaturekkYDeqknTT2U/tVayTc7Al/95gF1fRu8yXLh8G8NmYwOUkIhxzmLummYO9GtAbB3mhcYFKn91Yj6cA5TOAI8Dw==
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

2026-09-17T12:00:27.364331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020500
observed cd0d9e978ea7321bda902cc942bed6c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:27.345683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020500/manifest.json
observed b1272ea8e60ef279ec5aa071d1638296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:27.325353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020500/publication.md
observed 13bf95544db5d3a586fb9814cb8bca0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:27.305516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020500/publication.txt
observed f8d0ceb2a4552a11e6a0dc8020bc2c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:30.623603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020500
observed cd0d9e978ea7321bda902cc942bed6c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:30.605475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020500/manifest.json
observed b1272ea8e60ef279ec5aa071d1638296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:30.586652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020500/publication.md
observed 13bf95544db5d3a586fb9814cb8bca0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:30.569792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020500/publication.txt
observed f8d0ceb2a4552a11e6a0dc8020bc2c3a...
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.