OpenTechnical

OT-2026-000076005

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, pulsed 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-2026-000076005) never changes.

Identity and time

Publication numberOT-2026-000076005 · never reused
Internal UUID01a0ae94-2a00-7298-a0cb-ca07ec836cb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076005
StatusPUBLIC

Content hashes

Canonical text5e7d484da29785d9671ab26d743c31920b54f30f0382e2609561d530705cdc95
Markdownad909a3760834e4449170ad4fd31d7cd1b90843b799ba362173f44641c6bc81c
PDF
Publication page5cad15757c0e2ababc343f02258b6e8db2b1b4cbcd0126823a08679470a0c650
Manifesta2c969add9e2807f789090d43a1dff423a5ab326dd90509214169c1dea0ee45a

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
SignatureUTnBJql1ak76R43HHmafX+miDp8tBrT5YBOYVA0AcBrkwFxHl9Ea+VP18g36uNRdz3nPmUOH1wmwBVOpXTUlBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:15.407226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076005
observed 5cad15757c0e2ababc343f02258b6e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.387400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076005/manifest.json
observed a2c969add9e2807f789090d43a1dff42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.368638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076005/publication.md
observed ad909a3760834e4449170ad4fd31d7cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:15.349479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076005/publication.txt
observed 5e7d484da29785d9671ab26d743c3192...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:06.269767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076005
observed 5cad15757c0e2ababc343f02258b6e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:06.251654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076005/manifest.json
observed a2c969add9e2807f789090d43a1dff42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:05.808246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076005/publication.md
observed ad909a3760834e4449170ad4fd31d7cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:05.789778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076005/publication.txt
observed 5e7d484da29785d9671ab26d743c3192...
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.