OpenTechnical

OT-2026-000104097

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump 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-2026-000104097) never changes.

Identity and time

Publication numberOT-2026-000104097 · never reused
Internal UUID01a0aea5-341f-72ed-9ece-2a091cad5812 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104097
StatusPUBLIC

Content hashes

Canonical textb1598e75065352c32851d94fde20d7e2ea117339bea76b63c7895e961fc67c04
Markdownc28f5c89993221ca3e3b335ad52d3617fc5ff04aeacd1ba814c2d3feff1a81bd
PDF
Publication page44b36e1f008a623d5f2543b6de5b072883a8c371346bd6c4ab7461248463e480
Manifest8386d24ca26244aad863a0a88c1ae079421a654ebc7b01eace60f7e53bc8f64a

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
SignatureUHCfIMD0PtMq5+gla/OLrVGBtKaZwPefLHFsHOcLRnRDc4EAAmoTwCETTjr0Ihw61LYVkiuiR9Iz/jxYU2oYAg==
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

2026-09-17T09:20:10.113925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104097
observed 44b36e1f008a623d5f2543b6de5b0728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.096118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104097/manifest.json
observed 8386d24ca26244aad863a0a88c1ae079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.078087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104097/publication.md
observed c28f5c89993221ca3e3b335ad52d3617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.060322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104097/publication.txt
observed b1598e75065352c32851d94fde20d7e2...
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.