OpenTechnical

OT-2026-000067969

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000067969) never changes.

Identity and time

Publication numberOT-2026-000067969 · never reused
Internal UUID01a0ae8f-c4fd-7891-a98d-efdff59283fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067969
StatusPUBLIC

Content hashes

Canonical text1da0517beaa3bcb702207968f54059219fa4e3c1d0f83be374b8c7e1ede67ccd
Markdown2c2705b5c5dbe3e3835a4c97b4e872f52c2ae4bf804b43119d4c865d63d78291
PDF
Publication page1ae8c282da96e92fac3ffeeaf7ef9f8996cd776867fcf033fd69c6a5dafd56d5
Manifest24618ff78c8c8036f0f86f301cb20d2885098f7949a09dc0ab71a6a06053ea34

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
SignatureTuG9HJknzx2tGdR698ydysVxiT4wCutgrvCy+IOU7o5r2cYthM6jEToUlNSfzL4bMLPagIJv9Vi/hV0+KX+oDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:30.784905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067969
observed 1ae8c282da96e92fac3ffeeaf7ef9f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.766545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067969/manifest.json
observed 24618ff78c8c8036f0f86f301cb20d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.747580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067969/publication.md
observed 2c2705b5c5dbe3e3835a4c97b4e872f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.727525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067969/publication.txt
observed 1da0517beaa3bcb702207968f5405921...
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.