OpenTechnical

OT-2026-000053820

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000053820) never changes.

Identity and time

Publication numberOT-2026-000053820 · never reused
Internal UUID01a0ae85-735d-7e4b-9ff7-183950ceb6bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053820
StatusPUBLIC

Content hashes

Canonical text6e04345cba17a7b028bc03558daae8202550dde76c19abc910db16fc81219f2d
Markdown322d5d43e61ad89f78d339acac0829d7c6e8b014e47929fa23d8d677b0e943e4
PDF
Publication page491de99957f5f731761da392dd222d8cd77e978045f3677a3b2feef1a03cb96d
Manifest023e6f7bb5672e4cdc6571c47a62db59e9afe5d3990bac456e33a7296e9f30e9

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
Signaturee20V2hkHVp1xWNppXNhtLO8AKeypBQIGz9c1MnRXSdpfxvfQqNCxpPQWAMHKaWWy8LA67B4O8TzevFJ7T2O3Dg==
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

2026-09-17T08:40:33.751644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053820
observed 491de99957f5f731761da392dd222d8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:33.734130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053820/manifest.json
observed 023e6f7bb5672e4cdc6571c47a62db59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:33.715744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053820/publication.md
observed 322d5d43e61ad89f78d339acac0829d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:33.573532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053820/publication.txt
observed 6e04345cba17a7b028bc03558daae820...
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.