OpenTechnical

OT-2026-000080698

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000080698) never changes.

Identity and time

Publication numberOT-2026-000080698 · never reused
Internal UUID01a0ae96-b973-7815-90d4-7482f3c7ec0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080698
StatusPUBLIC

Content hashes

Canonical text4c583d2d321818c5acee12bdfd1f8b775d09b6f98bb8565858896ee116eaf90d
Markdowneaf26b9cb1b2588514d648d4e20d2867c5b657fcd170c474292696f03c0ac986
PDF
Publication pageb301203ec5199bf1baa637e682c2b87a7688b57146fa6539103922ddff03e319
Manifest4919b843394f51a19c8118e385d2812d61be85d411a94378053aab3299f87866

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
SignatureyiTSEfULCEMQGneAOFC3dGyix0vC2w+WPv+TwwpdHZgrmOmiZTSm1dUZPoMI2bfkEmIp4IhFnUkWkByjk8KODg==
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

2026-10-15T20:41:37.663365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080698
observed b301203ec5199bf1baa637e682c2b87a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T20:41:37.572497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080698/manifest.json
observed 4919b843394f51a19c8118e385d2812d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T20:41:37.479190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080698/publication.md
observed eaf26b9cb1b2588514d648d4e20d2867...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-15T20:41:37.186507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080698/publication.txt
observed 4c583d2d321818c5acee12bdfd1f8b77...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T04:41:50.755639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080698
observed b301203ec5199bf1baa637e682c2b87a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T04:41:50.650175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080698/manifest.json
observed 4919b843394f51a19c8118e385d2812d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T04:41:50.550541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080698/publication.md
observed eaf26b9cb1b2588514d648d4e20d2867...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-03T04:41:50.322178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080698/publication.txt
observed 4c583d2d321818c5acee12bdfd1f8b77...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent