OpenTechnical

OT-2026-000025214

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000025214) never changes.

Identity and time

Publication numberOT-2026-000025214 · never reused
Internal UUID01a0ae71-5fa6-73d9-b64e-aa40e1e775a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025214
StatusPUBLIC

Content hashes

Canonical text8b935bf8dce071208b5a69e0bd87ba128fc6238b0796644dfa12fd93149fe6a2
Markdown687ccd9a669f2322cf9fc2f8d986478ea9b1ca651a6c480ec353ec558df0425e
PDF
Publication pagea5b2bc057c6394424c8ffbc13071130f2cb523ad5503a6383c5dc3e0adeaf0c9
Manifest4ad09197875b65a7eee9daddb22624b687b17bece59f52449244e75dcc7c3212

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
SignatureNRz5TEEsd/30ziNuy+4URM/J+Ow+fRi/f8VuwhC2vbUmQVo7qT/pSrmdPc3w01455AHu0eecpOHFxJPcbosSAg==
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

2026-09-17T11:47:12.811032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025214
observed a5b2bc057c6394424c8ffbc13071130f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:12.788478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025214/manifest.json
observed 4ad09197875b65a7eee9daddb22624b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:12.766685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025214/publication.md
observed 687ccd9a669f2322cf9fc2f8d986478e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:12.749506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025214/publication.txt
observed 8b935bf8dce071208b5a69e0bd87ba12...
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.