OpenTechnical

OT-2026-000048441

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained 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-2026-000048441) never changes.

Identity and time

Publication numberOT-2026-000048441 · never reused
Internal UUID01a0ae80-4de5-76cb-a3c0-fe55160d146f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048441
StatusPUBLIC

Content hashes

Canonical textbff852304c6db6a0ca63c4d36d4594d3e9b0a13cc165b58f2df270f6ebbff64e
Markdowncbee070a75285fc158c7295f8f2831a90425e91ae6859454dbc4eb8ca45c3ad5
PDF
Publication paged01166a37891ebe7651f4b69ebeae85fd619f9876aa2b37065aeccf0f7bec7ff
Manifest71ea1f810d51f7fd1935eea63ca93e397b3a89de17afcb12d4c524eb786d7516

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
SignatureW4bWWSyi2tEhzMuh0/FU1uVN2ENwq1K0xiQvPbJuiMJCcJEpsxrHqnhbA5nvqrrzB7Z+iaGubNRnf/l5Cs84BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:05.620501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048441
observed d01166a37891ebe7651f4b69ebeae85f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.600512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048441/manifest.json
observed 71ea1f810d51f7fd1935eea63ca93e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.582693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048441/publication.md
observed cbee070a75285fc158c7295f8f2831a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.563769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048441/publication.txt
observed bff852304c6db6a0ca63c4d36d4594d3...
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.