OpenTechnical

OT-2026-000099872

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000099872) never changes.

Identity and time

Publication numberOT-2026-000099872 · never reused
Internal UUID01a0aea3-1473-7e3f-adac-3204ddaa095e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099872
StatusPUBLIC

Content hashes

Canonical texted7c55bc360a797c7e7a2bcf97a8857e2df210cc4959d69947bf36f1727f79d8
Markdown304fa163c518cdaa4c516910e312c130c3522b1c2f81d9fc989464b97ea899ce
PDF
Publication page522a75b72055bc878ed163cd65982a5e6f01060e3846e8919331598f81b8eb6c
Manifest64bb5da71162fa506ec3d12a4088264eb57009b1a0269d36fb0bf2e6b78903e4

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
SignatureikfeixbrwmnkrbH1POhtlqR1pqe8c072HdBb29jTe8EESm3Nlnr6jApaczWOtFDGs03gD7E/WKIHc/awQfRvBA==
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

2026-09-17T09:30:22.159870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099872
observed 522a75b72055bc878ed163cd65982a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:22.142216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099872/manifest.json
observed 64bb5da71162fa506ec3d12a4088264e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:22.120805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099872/publication.md
observed 304fa163c518cdaa4c516910e312c130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:22.101341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099872/publication.txt
observed ed7c55bc360a797c7e7a2bcf97a8857e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:44.132827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099872
observed 522a75b72055bc878ed163cd65982a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:44.112715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099872/manifest.json
observed 64bb5da71162fa506ec3d12a4088264e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:44.094006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099872/publication.md
observed 304fa163c518cdaa4c516910e312c130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:44.074500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099872/publication.txt
observed ed7c55bc360a797c7e7a2bcf97a8857e...
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.