OpenTechnical

OT-2026-000020319

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pulsed blow-off before set-down

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-2026-000020319) never changes.

Identity and time

Publication numberOT-2026-000020319 · never reused
Internal UUID01a0ae6f-437a-73a2-a0b6-c986b3e64b6d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020319
StatusPUBLIC

Content hashes

Canonical text542b2dee77e13fcfee4b91c0d6cbdb4b712c6654da2866eb34ec97b8109756ec
Markdown6dbf512d7654f09ec43291dae7e90ed5f6fecd2fcc47d76f5652f8d994783c9d
PDF
Publication page83cf06c848a39736dd5afefd3dd2005589f6266116ddead14486a0377c577f83
Manifest29ed8da2fe1250e2e8523e88ee752d3cae9e669e7f6a2ffecaadc9a2f04f9995

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
Signature3sM6Gi9mhMI2PdnCwMMfDx/Ih3BT4AVOSEbor5kwiA53bYrhjXlG2CaLnD5bcFATajmnZIp1CPSbOU2zdVwFCg==
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

2026-09-17T12:00:05.466635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020319
observed 83cf06c848a39736dd5afefd3dd20055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.356468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020319/manifest.json
observed 29ed8da2fe1250e2e8523e88ee752d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.340253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020319/publication.md
observed 6dbf512d7654f09ec43291dae7e90ed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:05.229298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020319/publication.txt
observed 542b2dee77e13fcfee4b91c0d6cbdb4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:16.098420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020319
observed 83cf06c848a39736dd5afefd3dd20055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:16.081185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020319/manifest.json
observed 29ed8da2fe1250e2e8523e88ee752d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:16.038216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020319/publication.md
observed 6dbf512d7654f09ec43291dae7e90ed5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:16.020221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020319/publication.txt
observed 542b2dee77e13fcfee4b91c0d6cbdb4b...
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.