OpenTechnical

OT-2026-000008240

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, vented 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-2026-000008240) never changes.

Identity and time

Publication numberOT-2026-000008240 · never reused
Internal UUID01a0ae6a-908d-71de-8185-063131a781d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008240
StatusPUBLIC

Content hashes

Canonical text26849c350b698d84e9c00df7e56f60f0910f3f8188cf4530e43ce5e4d6c9bec3
Markdown1ba2699e598d5baaa520b177bdba56b7fe3e04f28fb30a26492aa34bd5d7b2c3
PDF
Publication page55ff129a080a4dc31c540a642074806d7faf1a8f3aee29914f85f0f2c17cb560
Manifest8c7016801c56d0c503b83e9f7a35a44957c2a1672b0dedaa7e342b67d5fc7bca

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
Signaturefx7QWPVLP2MWPmdyvg91RAfcdhFgRl5i8me+fpaa2WNu+wy6cZKjNwQJRysN8mKnEr/yQzrISC/g1fPXp1jhDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:39.864827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008240
observed 55ff129a080a4dc31c540a642074806d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.848465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008240/manifest.json
observed 8c7016801c56d0c503b83e9f7a35a449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.831759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008240/publication.md
observed 1ba2699e598d5baaa520b177bdba56b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.815105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008240/publication.txt
observed 26849c350b698d84e9c00df7e56f60f0...
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.