OpenTechnical

OT-2026-000055080

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000055080) never changes.

Identity and time

Publication numberOT-2026-000055080 · never reused
Internal UUID01a0ae86-5e81-74e1-9d80-612e55309caa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055080
StatusPUBLIC

Content hashes

Canonical texta9173d5c524bb308c50f0ad02b5e118d8a8500cdd115697d10295c37215c1b4d
Markdownf6008990d3f77a6d689a7a8f33ecb7f8cdadc72f8df4fce5a221878d3558c100
PDF
Publication pagee1238e0ebdab878998de834785d0e0ba5320ef1f6ed6e2adf657e3cc9b977f13
Manifest6fa344e1152f13c34c152bff7619a03d37cd5b56134dd7559d7848c254013776

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
SignatureUrdshf5cc1yBFexxwK1bXgmIGtN/UWgdAftKhjDKrF5RQiYWJUrkwVsnVtteWXk5IRsGh1Azj0FtWzzwzPh1BA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:14.085045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055080
observed e1238e0ebdab878998de834785d0e0ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:14.065052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055080/manifest.json
observed 6fa344e1152f13c34c152bff7619a03d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:14.045659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055080/publication.md
observed f6008990d3f77a6d689a7a8f33ecb7f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:14.025829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055080/publication.txt
observed a9173d5c524bb308c50f0ad02b5e118d...
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.