OpenTechnical

OT-2026-000007574

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000007574) never changes.

Identity and time

Publication numberOT-2026-000007574 · never reused
Internal UUID01a0ae62-4df7-76b1-9b2d-a54e43fb5977 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007574
StatusPUBLIC

Content hashes

Canonical textd58e1cc97efadb1b344ad051edb76626bd14eb84cb8501012960977207233600
Markdown65e848dac0100a92b50322c6f79fcf543fe8d53970e32537980fdfb773f651f6
PDF
Publication pageee326b517e2a97de7cb2c0730da3de136636779122e5783507d567230c9ba896
Manifest92f21cf7cc6c1ca69036f9f606405ed83e3433af13b9e8a12e74c4d365943289

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
SignatureXPExyd/vPIVtcD2wnZjjjLMejcCFw72hBKIMb5/RZcken9bAL/RBEk9Z/ogWMG84IYFroxjKVuGaPAsc+1rABg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:25.358534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007574
observed ee326b517e2a97de7cb2c0730da3de13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:25.341145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007574/manifest.json
observed 92f21cf7cc6c1ca69036f9f606405ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:25.324971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007574/publication.md
observed 65e848dac0100a92b50322c6f79fcf54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:25.308715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007574/publication.txt
observed d58e1cc97efadb1b344ad051edb76626...
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.