OpenTechnical

OT-2026-000030943

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000030943) never changes.

Identity and time

Publication numberOT-2026-000030943 · never reused
Internal UUID01a0ae74-3fb6-7b93-8520-5d6b00b91640 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030943
StatusPUBLIC

Content hashes

Canonical text827e578ba9074503b0bff555b19a8ed75e275560476482b87d09f1cdd605d200
Markdownd9034427acabfd270b79a08236ab761d97740dfba514c3cb28ef64fe34f87d8e
PDF
Publication page8067b90a164c61664b9e97a5b054b91ffb4b6859278bca5df82e6ec93167c4a1
Manifest97833c96afa0e6421cc33f1ede4c606a34e23cd26fdea8634eb72543e38d3df8

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
SignatureAsm/sVFJAFK3Ui9KEfKtA6yEGvg63rTf/QqNwzXiSW+6MomY/ye5lEBZGY24JkhiPsnqWe0WSNseBRMymH/0DA==
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

2026-09-17T11:36:56.405393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030943
observed 8067b90a164c61664b9e97a5b054b91f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.386816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030943/manifest.json
observed 97833c96afa0e6421cc33f1ede4c606a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.366380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030943/publication.md
observed d9034427acabfd270b79a08236ab761d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:56.347390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030943/publication.txt
observed 827e578ba9074503b0bff555b19a8ed7...
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.