OpenTechnical

OT-2026-000011355

Publication integrity record

Foam pad vacuum gripper, pump fed, vented after 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-2026-000011355) never changes.

Identity and time

Publication numberOT-2026-000011355 · never reused
Internal UUID01a0ae6c-88fe-794a-bfd7-37b8dc30cf52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011355
StatusPUBLIC

Content hashes

Canonical textbd15dc3d396026444e30122e7cc2dc855b5e92a6ec54e79d0f257aff56d021c7
Markdown28e5b3fa29a8f7969485744ca6ba1b77ddab858b76a3d06d831185847f48fb27
PDF
Publication page44e95182e6873ebaa34ca1b25c731c427392595cd409ac94524ddc47cbc70d7d
Manifest910db20cdaf13bf5d681acda9bc6bbe54cf01f7c0d54fcb67c97e5b529bb1dbc

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
SignatureOu0gTJUFSe1NrTypgmBoJkUxIQXvlABufY6ndcDIGaM0Je0Kt5ioADMYjWmj4x/QYjmwfhqS25Qvyl4qkLHIAA==
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

2026-09-17T12:13:05.174633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011355
observed 44e95182e6873ebaa34ca1b25c731c42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:05.155654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011355/manifest.json
observed 910db20cdaf13bf5d681acda9bc6bbe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:05.135924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011355/publication.md
observed 28e5b3fa29a8f7969485744ca6ba1b77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:05.116310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011355/publication.txt
observed bd15dc3d396026444e30122e7cc2dc85...
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.