OpenTechnical

OT-2026-000032533

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, pulsed 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-2026-000032533) never changes.

Identity and time

Publication numberOT-2026-000032533 · never reused
Internal UUID01a0ae75-106f-7570-8bde-3552841403ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032533
StatusPUBLIC

Content hashes

Canonical text32a68ed5712f204f80cbf0ab1787f35392afe83c0e9364d7359cae82ef5f50ac
Markdown64a11eb684dc42bfc2cafda084fb8404a185cf502641e5ee44a8e5afc5aa89c0
PDF
Publication page420ad549e30716b4e9d1a193f7eb26d8fdfbe83ab5921f0e90ee316c4bd2f1a6
Manifest485ee156296f4249e7cc827d49a4e33e5c41f987fd99b5ebce71228f9ef24f89

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
SignaturecKLtm/t1aESv2WON77x39TcTU8Ohh1rD1fxYQNo6CiHzsPsRJ3e1ZxQV/9yMsN8Y+6Qq/YT5S1DWHwEhr8y6BA==
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

2026-09-17T11:34:05.641525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032533
observed 420ad549e30716b4e9d1a193f7eb26d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:05.622822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032533/manifest.json
observed 485ee156296f4249e7cc827d49a4e33e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:05.603686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032533/publication.md
observed 64a11eb684dc42bfc2cafda084fb8404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:05.579832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032533/publication.txt
observed 32a68ed5712f204f80cbf0ab1787f353...
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.