OpenTechnical

OT-2026-000040933

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, sustained blow-off after 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-2026-000040933) never changes.

Identity and time

Publication numberOT-2026-000040933 · never reused
Internal UUID01a0ae79-6d10-761b-bc8f-6624cefdc0ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040933
StatusPUBLIC

Content hashes

Canonical textd752b94f0d4bb8194f12cd37e93a0a7b5bafb0be031cda00c80ba11e89622667
Markdown87a7e0013e6b99d10ed234b8fa2d8a533ac68be2c497d2e7fe5d4eeec5e2925d
PDF
Publication page2d99c73bbfb914085f7af7cd7c8d365f4973e7fe502fb458c42e0cee038ffd14
Manifest1748b122913848cc59d4723080f8d17321606c4418acdf67b6d7e8759d61e26b

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
SignaturenCyfVsuy8w2IRY6MQt43KTbLSSUr3LNj2rN3HVyBBAIzygK1PKlp/ZAi2fTMTdTsoarXF5OQOSZ+ACTvt/RICw==
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

2026-09-17T11:20:19.718935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040933
observed 2d99c73bbfb914085f7af7cd7c8d365f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.699939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040933/manifest.json
observed 1748b122913848cc59d4723080f8d173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.681347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040933/publication.md
observed 87a7e0013e6b99d10ed234b8fa2d8a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:19.664420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040933/publication.txt
observed d752b94f0d4bb8194f12cd37e93a0a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:44.609651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040933
observed 2d99c73bbfb914085f7af7cd7c8d365f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:44.591734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040933/manifest.json
observed 1748b122913848cc59d4723080f8d173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:44.574334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040933/publication.md
observed 87a7e0013e6b99d10ed234b8fa2d8a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:44.557001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040933/publication.txt
observed d752b94f0d4bb8194f12cd37e93a0a7b...
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.