OpenTechnical

OT-2026-000052181

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000052181) never changes.

Identity and time

Publication numberOT-2026-000052181 · never reused
Internal UUID01a0ae83-e790-742e-b2aa-31a07bd3ed18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052181
StatusPUBLIC

Content hashes

Canonical texte15fe79c9a931806172e794ddac2cf621fc1b2102b7e660489ef7cbb30e9fde8
Markdown64db182fed31ac1122a8d71a5cc54018dd0a0751974ad81f250c95cc9ebdc5f7
PDF
Publication pagebf3479d42cd32c61c886a45dc09fcbc1a60d8e0887c6c13c7cbea5aceff8ef2b
Manifeste02e09fad07b283b7674221dc29617103cebc2a65d3cd92ca07b1190507d2d13

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
Signature20ukQU8xVf9OpRZKKxEzjMT33PWqSK4XmlIHvH8yeCFWAfbeNRPqEpqTyJF8RT7jQojfdRDcPXsyxDwX+Y20BQ==
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

2026-09-17T10:57:44.580369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052181
observed bf3479d42cd32c61c886a45dc09fcbc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:44.561773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052181/manifest.json
observed e02e09fad07b283b7674221dc2961710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:44.543022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052181/publication.md
observed 64db182fed31ac1122a8d71a5cc54018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:44.523679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052181/publication.txt
observed e15fe79c9a931806172e794ddac2cf62...
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.