OpenTechnical

OT-2026-000103844

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three 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-2026-000103844) never changes.

Identity and time

Publication numberOT-2026-000103844 · never reused
Internal UUID01a0aea4-e463-7190-8bb6-81102942ed9d · 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-2026-000103844
StatusPUBLIC

Content hashes

Canonical textb964448a38393c47766248d56a20cb0e4a7014c4b86cca84029bf449dee7e63f
Markdown3732af85f4474e15d29a31edfedca0f437f39904b5123db4ad21b0d80017c112
PDF
Publication page70e45c4d70ecb2cd64841f6f509d938015d0ddb562e769a1e2ca0cd7e1103dd3
Manifest59407457d421e313ac5b5b38e677d68546d43fed7cb450904a46e2d7ab9a9302

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
Signature4oeTKgukcAqDJOwpOlO5fAaLIuexl2tWKoNDwK9DQsASQrdgH8fT2zP8atgUTa9gtFiL2mnhz7hCY1XXBOJ9Aw==
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

2026-09-17T09:22:48.263226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103844
observed 70e45c4d70ecb2cd64841f6f509d9380...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:48.247131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103844/manifest.json
observed 59407457d421e313ac5b5b38e677d685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:48.230480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103844/publication.md
observed 3732af85f4474e15d29a31edfedca0f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:48.213156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103844/publication.txt
observed b964448a38393c47766248d56a20cb0e...
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.