OpenTechnical

OT-2026-000061344

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000061344) never changes.

Identity and time

Publication numberOT-2026-000061344 · never reused
Internal UUID01a0ae8b-1384-7aec-bbd1-155d897e0c7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061344
StatusPUBLIC

Content hashes

Canonical text99c1591235529f34da08b5ffe1e8c88acaf2b1366f2c44fa0eec1270e2645043
Markdown90dd76c9b6af144b2280ba3ee92b2cf1a4da5b95d01bdc51e3c2c554dda843c5
PDF
Publication pagefb0665cdd805c74df31eed73f0f2838d1074b9d9041db29d0285713f8ab93c3c
Manifest25c05ad3d7c9bec58bceac3341706d468efbf7efcf5e31a0c34f8088a221d1dd

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
SignaturezTHseOKk6xDz0ANd61qTSVN0Ub39iZDie14pwn+w6Wef8PWDPxyDHXZfDO+Njw566OU3Weo5YPw5JVJYqg1JCw==
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...

Independent retrieval

2026-09-17T10:42:47.212805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061344
observed fb0665cdd805c74df31eed73f0f2838d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:47.195173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061344/manifest.json
observed 25c05ad3d7c9bec58bceac3341706d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:47.175220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061344/publication.md
observed 90dd76c9b6af144b2280ba3ee92b2cf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:47.154173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061344/publication.txt
observed 99c1591235529f34da08b5ffe1e8c88a...
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.