OpenTechnical

OT-2026-000018172

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000018172) never changes.

Identity and time

Publication numberOT-2026-000018172 · never reused
Internal UUID01a0ae6e-b488-7614-ada8-58d4221d5bf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018172
StatusPUBLIC

Content hashes

Canonical textc95e474d7957fbc4cd3151202c71b4b26a809b9f38ef2989bf722d731d9c7229
Markdown0fe089ec0b75a889fc6c52d1c83c32b07e3674bac43f0e1666723dee27ce290c
PDF
Publication pageb2766d14a8f9fe23f561c825786e9a1cdc91472d3a5e92c4a263a1c58fc1e670
Manifestf49d31cf066707f110da16851672856f557b4f31b2a5514a6f353254eceeef2c

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
Signaturejqpt/cEEi9gktHvhlVSbXw0px4k8Se7mIxWEpNTSudU3I2Bt7eWo/BR11DdAmkhGaTnPLf7RFe0qvUUf3kNiBw==
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

2026-09-17T11:59:56.627442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018172
observed b2766d14a8f9fe23f561c825786e9a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.608680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018172/manifest.json
observed f49d31cf066707f110da16851672856f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.587298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018172/publication.md
observed 0fe089ec0b75a889fc6c52d1c83c32b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.568117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018172/publication.txt
observed c95e474d7957fbc4cd3151202c71b4b2...
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.