OpenTechnical

OT-2026-000072097

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000072097) never changes.

Identity and time

Publication numberOT-2026-000072097 · never reused
Internal UUID01a0ae92-47c1-796f-9542-2432ff796ba0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072097
StatusPUBLIC

Content hashes

Canonical text86bc6b3c2bfcca9b3e67b663cbb122da6621a29de25a57d67767d6073a0422b0
Markdownfc2fb029d42770ae636b587830865cf1324401141ef69be05a1a44f603010ea6
PDF
Publication page04bfb02d3bf300447abcb663734df64b3a5fcf92fa52d8baf61a6f70421f2138
Manifesta5574033e93fc58825deeccc804bd34f7137b65388dbb662005b8027caf59bf9

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
SignatureO/NMmUXwZC/SKjUQ1ZElrASwO6VqW1WERCibeKsQj1hqllLQrxm44TcGdqzRu6/xzsRblaEi3wd23bmnrTR5AQ==
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

2026-10-08T00:41:43.518177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072097
observed 04bfb02d3bf300447abcb663734df64b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T00:41:43.406830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072097/manifest.json
observed a5574033e93fc58825deeccc804bd34f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T00:41:43.311451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072097/publication.md
observed fc2fb029d42770ae636b587830865cf1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-08T00:41:43.200909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072097/publication.txt
observed 86bc6b3c2bfcca9b3e67b663cbb122da...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T16:41:43.561663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072097
observed 04bfb02d3bf300447abcb663734df64b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T16:41:43.513124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072097/manifest.json
observed a5574033e93fc58825deeccc804bd34f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T16:41:43.449560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072097/publication.md
observed fc2fb029d42770ae636b587830865cf1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T16:41:43.385384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072097/publication.txt
observed 86bc6b3c2bfcca9b3e67b663cbb122da...
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