OpenTechnical

OT-2026-000082128

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000082128) never changes.

Identity and time

Publication numberOT-2026-000082128 · never reused
Internal UUID01a0ae97-4d93-733e-9366-0a2eb707c451 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082128
StatusPUBLIC

Content hashes

Canonical text16b3e37ea639021a21405ec8809384038bbe50af2e2e5e828638c30cc0d8a943
Markdownff48c5181b1afe920170533e41d0e67922284d7087bb14a42af5d0f6054720de
PDF
Publication page9f71b4ac172d28e63b03736727c817cdc8a7ef4b2744040dc23c6a13f7fbcdc4
Manifest33b76fd8c7365da7bee590291214e493b70eaef6391c60d6949ed190823ca000

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
SignatureTEYnkFrB/8neFiiVAh8TMhsBjTWDPAKBLAHHajHXIkZONa/I/wVdi2TjmDK6jjKGPWYvtrJbxfJBdK8MMcLaBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:56.604798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082128
observed 9f71b4ac172d28e63b03736727c817cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:56.587248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082128/manifest.json
observed 33b76fd8c7365da7bee590291214e493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:56.570635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082128/publication.md
observed ff48c5181b1afe920170533e41d0e679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:56.554285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082128/publication.txt
observed 16b3e37ea639021a21405ec880938403...
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.