OpenTechnical

OT-2026-000025147

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three stage ejector, pulsed blow-off before set-down

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-2026-000025147) never changes.

Identity and time

Publication numberOT-2026-000025147 · never reused
Internal UUID01a0ae71-5fa5-799e-9a16-692b580d6d48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025147
StatusPUBLIC

Content hashes

Canonical textf78fb786d6889842e8a7111b18ced8f3fcf0128801c7dbbfc4d00cc9ba479be6
Markdown810cbf1713583714291390cd84e6db978ae85112fe727006d2ff51ae932aadfc
PDF
Publication pagea538bebcf1499fc7a569cf95a6762873649e8f3e0b8e21889dc313093b59334d
Manifest9f2b7ddf5e9fedcfcdfda9dd2af5698a5533edce90d2876327c743fa8232ce7e

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
SignatureBj7nS+F3Iq72IapcsSIvuoCp1tBGUj/y9UTn6y8Ug9I2auedjz250piLpanbpLsLb3cIWMydpv3CimYBg9kyBw==
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

2026-09-17T11:47:01.949743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025147
observed a538bebcf1499fc7a569cf95a6762873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.927891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025147/manifest.json
observed 9f2b7ddf5e9fedcfcdfda9dd2af5698a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.907717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025147/publication.md
observed 810cbf1713583714291390cd84e6db97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:01.888370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025147/publication.txt
observed f78fb786d6889842e8a7111b18ced8f3...
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.