OpenTechnical

OT-2026-000050499

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000050499) never changes.

Identity and time

Publication numberOT-2026-000050499 · never reused
Internal UUID01a0ae82-5c49-771c-a183-f966572d6fbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050499
StatusPUBLIC

Content hashes

Canonical text1fd624cde70e3317b30403282afc9888c2c121d8f26a1328f177be913ab093a8
Markdown1fa3b4b5509ff93400c769bfc465762e2bb0c8a7bb7e6d4681106babcde15a69
PDF
Publication page4897da31781260641ea558cc693d2ba96e9b1bf60d744d85402152b048b403c1
Manifest029a929fbd00c414219e18b08aab1f2e6731b7b8f19d2178f19994797625a789

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
SignatureRY0nr3BsI74UpCU5eo2aRDrDrX7jlioWdonstn+0ewoehLFrvDiDsjX1IhKs/byG8JeBMkFxGwheYbHNcfvcDg==
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

2026-09-17T11:01:33.366041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050499
observed 4897da31781260641ea558cc693d2ba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.350071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050499/manifest.json
observed 029a929fbd00c414219e18b08aab1f2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.334979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050499/publication.md
observed 1fa3b4b5509ff93400c769bfc465762e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.306004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050499/publication.txt
observed 1fd624cde70e3317b30403282afc9888...
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.