OpenTechnical

OT-2026-000030146

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, manifold 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-2026-000030146) never changes.

Identity and time

Publication numberOT-2026-000030146 · never reused
Internal UUID01a0ae73-e4ff-7fd2-a969-5ea978dd324f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030146
StatusPUBLIC

Content hashes

Canonical text9b617bd605c21610582e6e19cecb049c665c2e071ba0c141f2297a36056047c5
Markdown339ac91659bba611325a75cac1a667eda650472297a59e85e96b7d19e1e5e892
PDF
Publication page056d295b941463200aca0674ee9bc42a76645410a3a5b3289cac2c0daba3c812
Manifest04927ee56abe8ef6109aa097be279ac19f4aa64cc84a59bf23a7fc0af939c12f

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
Signatureazf9XtJp6e10HrpveC8l+cGdUHusbYpM3krJ8POhZJds7wtowth6ruZwXQBKOswXmZqCILpuaoTfaU9BQAvaCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:40:23.426993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030146
observed 056d295b941463200aca0674ee9bc42a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.405481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030146/manifest.json
observed 04927ee56abe8ef6109aa097be279ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.386149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030146/publication.md
observed 339ac91659bba611325a75cac1a667ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.366491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030146/publication.txt
observed 9b617bd605c21610582e6e19cecb049c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.374945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030146
observed 056d295b941463200aca0674ee9bc42a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.359170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030146/manifest.json
observed 04927ee56abe8ef6109aa097be279ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.341170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030146/publication.md
observed 339ac91659bba611325a75cac1a667ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:46.322990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030146/publication.txt
observed 9b617bd605c21610582e6e19cecb049c...
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.