OpenTechnical

OT-2026-000046607

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000046607) never changes.

Identity and time

Publication numberOT-2026-000046607 · never reused
Internal UUID01a0ae7e-57de-7f7a-a17c-42b2c7759207 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046607
StatusPUBLIC

Content hashes

Canonical textf274f3f21f0d2c4c2adfe80ade977ccd0d3ebebf5f312f898c950aece13b5259
Markdown7746afd966e179a4970ea9942a4261bffbb89e28c2278ff1d3983f22cd9acc3b
PDF
Publication page6a5614feec18f0f0b52b506b094d65877063e73b3a420f6e3eb3c8ab5f725143
Manifestf4a5a7c0192207762cc44fb5babf612321581ada9bb183a66ae810f8067ba56b

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
Signaturel90Ncj7Wzo5sptmaJ5rxb19viloguEg+b0J4/ZBub2eMK76syUEAq+DfTxTezo+ur2vf1BaAHPCDaiVlL1kFAQ==
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

2026-09-17T11:08:41.131476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046607
observed 6a5614feec18f0f0b52b506b094d6587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:41.112806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046607/manifest.json
observed f4a5a7c0192207762cc44fb5babf6123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:41.094517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046607/publication.md
observed 7746afd966e179a4970ea9942a4261bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:41.077001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046607/publication.txt
observed f274f3f21f0d2c4c2adfe80ade977ccd...
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.