OpenTechnical

OT-2026-000103513

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000103513) never changes.

Identity and time

Publication numberOT-2026-000103513 · never reused
Internal UUID01a0aea4-e461-7171-82e4-9b3ae4d6d766 · 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-2026-000103513
StatusPUBLIC

Content hashes

Canonical text2119c3112dd417bcc2f2bc2c5160d0bcd9bbca3893f496a2033f22222d87993c
Markdowne17bc1955a2636bf1ad102f87f3aac61125e36d2bd7fb5efc95fc1a8dfedfab9
PDF
Publication page50abc92524407b71d1a2a569a09fd8025bc9f494d5d1eb01d46a78479fb69d35
Manifest1eadc134cf1a4e63ebe6c5de59d5ecd3e9747d1455bc17641ba7a8b2c10e140e

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
Signature+ZV2x4Zl2gPsfcqknzyQBeafeNa7Q1eHncQ8nhJal6OrW3xTf7uNrUzABuJjDWIJeLujIlVgJ626Fnaca7rrDQ==
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

2026-09-17T09:22:16.928180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103513
observed 50abc92524407b71d1a2a569a09fd802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.912248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103513/manifest.json
observed 1eadc134cf1a4e63ebe6c5de59d5ecd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.896437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103513/publication.md
observed e17bc1955a2636bf1ad102f87f3aac61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:16.879176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103513/publication.txt
observed 2119c3112dd417bcc2f2bc2c5160d0bc...
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.