OpenTechnical

OT-2026-000061519

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000061519) never changes.

Identity and time

Publication numberOT-2026-000061519 · never reused
Internal UUID01a0ae8b-7b44-7b80-aa5b-70ae8b02ef14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061519
StatusPUBLIC

Content hashes

Canonical text65cf1b7c66d6f49c8d910032a968c7342260b1130af75c77cbb9f204c48ca68e
Markdown385ec104d8e1b035fa69a620b25bdb6f83386a23e2bac960009bcb86a6c54e51
PDF
Publication page5ec64f0b5b542049ee95e35507df55ef02ff5cea6f92fbf7dcc202d99bb239ee
Manifest664b288ca1447c6657532fbfa908ae63095ee8375f13cdc8662e2ae7606998d9

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
SignaturerzGo3xt3TMy8kHVIDkpxgyyRDReWlSFcl45K9ecvpLqdE7kwjkWnW9RybmoUrwCZxYCY0Um4AMknwKxXmTDvBw==
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

2026-09-17T10:41:25.113869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061519
observed 5ec64f0b5b542049ee95e35507df55ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:25.094877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061519/manifest.json
observed 664b288ca1447c6657532fbfa908ae63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:25.077087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061519/publication.md
observed 385ec104d8e1b035fa69a620b25bdb6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:25.060078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061519/publication.txt
observed 65cf1b7c66d6f49c8d910032a968c734...
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.