OpenTechnical

OT-2026-000036772

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000036772) never changes.

Identity and time

Publication numberOT-2026-000036772 · never reused
Internal UUID01a0ae77-773e-7abe-973d-5e17057d18b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036772
StatusPUBLIC

Content hashes

Canonical text273b20853877800e1ec4382fcb9cde5da66cce1d3ef2c0cdd0defe6eb32dea3e
Markdown1e649201fd6951ba91f907a63d8e3500dd3e28e321599b28645b152801befbd9
PDF
Publication pagee13ce8e5d697c616c4cced2de8a13fc95b22ac8136ebb3463d724a213abb5d0d
Manifest299f012f15893494225f9ebe3299c2db5cd3b5a83a2adafda0fc41c05fa245f2

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
SignaturegMRLgVI4qvbgveZHNL/k9egxpyjgZLet2DhXuj+SzRsvFzetjM7jQjWaurmRuQ+O2rY2HtmNXm2Y0gcDs/woCg==
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

2026-10-29T00:41:54.453827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036772
observed e13ce8e5d697c616c4cced2de8a13fc9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-29T00:41:54.390718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036772/manifest.json
observed 299f012f15893494225f9ebe3299c2db...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-29T00:41:54.312542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036772/publication.md
observed 1e649201fd6951ba91f907a63d8e3500...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-29T00:41:54.172527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036772/publication.txt
observed 273b20853877800e1ec4382fcb9cde5d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T08:41:07.289258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036772
observed e13ce8e5d697c616c4cced2de8a13fc9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T08:41:07.212944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036772/manifest.json
observed 299f012f15893494225f9ebe3299c2db...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T08:41:07.109336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036772/publication.md
observed 1e649201fd6951ba91f907a63d8e3500...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T08:41:06.914027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036772/publication.txt
observed 273b20853877800e1ec4382fcb9cde5d...
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