OpenTechnical

OT-2026-000103652

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, 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-2026-000103652) never changes.

Identity and time

Publication numberOT-2026-000103652 · never reused
Internal UUID01a0aea4-e462-7d41-99b8-2868cc19d0bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103652
StatusPUBLIC

Content hashes

Canonical text62363fb652784caa4896e7d847abbb904726601b256df0674a181058d668b1d0
Markdown311238eead7024a24edcba640d58c79622bb5db2ffb68f925bd05d2336d8c592
PDF
Publication page0ba53eaf504453079e199e4eb2dc3c2df39a10b22596ad73cc943f9790eb4fa3
Manifestc188dc1e38ac1d88483d03a46a7139ea94944b8e3efe0d65c8f2bf7652752974

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
SignatureARJAwcBUR2Sh3whiRUggcVIqtvIY2qe9NdkxqW9RwxsMdX/VwGO4mOdTQhcgYmOFbPwsiI2c+8jiidWG8Er6CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:27.075284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103652
observed 0ba53eaf504453079e199e4eb2dc3c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.059752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103652/manifest.json
observed c188dc1e38ac1d88483d03a46a7139ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.042946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103652/publication.md
observed 311238eead7024a24edcba640d58c796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:27.023725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103652/publication.txt
observed 62363fb652784caa4896e7d847abbb90...
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.