OpenTechnical

OT-2026-000082975

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000082975) never changes.

Identity and time

Publication numberOT-2026-000082975 · never reused
Internal UUID01a0ae97-8cca-7e92-a3bc-72880aba2996 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082975
StatusPUBLIC

Content hashes

Canonical text57b5f4b9a14c22296688e752189a71e933be303cdcf3589771956dff4f85044f
Markdown0e0fb266f22e379056578827b0e33f0fb58c5d4511e3ae92725456604d8b78fd
PDF
Publication page6a2bdf1477834c47247bc593b9ffcc5f575a3f88880bb084d5cfaaea650fe435
Manifest704ec0febf64ad6b32dcd6e64335afc59c6cda48fe5fccb39298d258289764ec

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
SignatureGjHevXdRTLvCfXslhbXcGVbDi7FM9uB5XMicpOXaMBlOriKQHB+UH0nyo2M597wVnwCgY9id7uqMCPze+wKrDQ==
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

2026-09-17T09:58:40.651655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082975
observed 6a2bdf1477834c47247bc593b9ffcc5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:40.633857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082975/manifest.json
observed 704ec0febf64ad6b32dcd6e64335afc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:40.616080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082975/publication.md
observed 0e0fb266f22e379056578827b0e33f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:40.598672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082975/publication.txt
observed 57b5f4b9a14c22296688e752189a71e9...
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.