OpenTechnical

OT-2026-000088539

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000088539) never changes.

Identity and time

Publication numberOT-2026-000088539 · never reused
Internal UUID01a0ae9b-8f0e-7fd6-8764-093bf98c62f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088539
StatusPUBLIC

Content hashes

Canonical text23a6e97169d20be3c2ec3f678bbb7334303c0da8d5bf6051d637777b830cce7d
Markdown8294b35a5edfeef3a3ea3c4bf0c6cfdf3dafdb6aaf37eb135a83ba38cc3441f0
PDF
Publication pagee75bb4fd403c042a0d417d7dfcdf6ce63ea38e0becde03ddffc7f6edac49064f
Manifestfea2a0638605c54b2535fc3ca6b750db0290f2f412f68febbee8b3c91cab2d01

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
Signature3qN7izzyH1cqQYiGApXrQS+lgI4wDz2XcVySNqpzLoxXUuZHl2/0HCIJJZ4wNkH4OLYfR+c6aeaYHtQvzR1XDg==
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

2026-09-17T09:47:42.428989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088539
observed e75bb4fd403c042a0d417d7dfcdf6ce6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.411578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088539/manifest.json
observed fea2a0638605c54b2535fc3ca6b750db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.392680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088539/publication.md
observed 8294b35a5edfeef3a3ea3c4bf0c6cfdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.374833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088539/publication.txt
observed 23a6e97169d20be3c2ec3f678bbb7334...
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.