OpenTechnical

OT-2026-000087033

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, sustained 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-2026-000087033) never changes.

Identity and time

Publication numberOT-2026-000087033 · never reused
Internal UUID01a0ae9a-9f2d-7a0f-8778-c33a2710cb59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087033
StatusPUBLIC

Content hashes

Canonical textd187ffd32ab696a284d1fa7511af8c636821f0ae1b0629dcfbcba1e82311c8e1
Markdown4bcd01b31d2fc39057bae5c85e31d79dcacfa39ba50c8cc31ef865f85560e9f1
PDF
Publication page85e9378529f8a02335a16f087f4f0b3108cbb470bf15eecc6ea25af571fa8c83
Manifest11eecc202c0fbf0b627ca57686fda6e8a37a193eaa534de8558ef9a79ab57cf4

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
SignaturefUSW251xPVqImL9lLUxYc18UDaAVnkHoL33LOEN5lxCMf4v24PpfCssWZYapXtwbEvhrKsOVNkNTjJyiZrYBCA==
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

2026-09-17T09:51:16.621860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087033
observed 85e9378529f8a02335a16f087f4f0b31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.606139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087033/manifest.json
observed 11eecc202c0fbf0b627ca57686fda6e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.589450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087033/publication.md
observed 4bcd01b31d2fc39057bae5c85e31d79d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:16.572772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087033/publication.txt
observed d187ffd32ab696a284d1fa7511af8c63...
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.