OpenTechnical

OT-2026-000014120

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000014120) never changes.

Identity and time

Publication numberOT-2026-000014120 · never reused
Internal UUID01a0ae6d-b278-7bf0-8f29-2185f9e0fc12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014120
StatusPUBLIC

Content hashes

Canonical text16a1418825964ccdc25987887637dff72628ef38957a32699b03cdb8de4fdb6f
Markdown84586c681a59ec002839642fae88d05aba54a94956f49e3fd795b0adcbde8567
PDF
Publication page41e5eb131841b8dc1c9038379f481f3672500d030d56388989f5e330efaa91e1
Manifestf190599b4524e86cfe5996246e64bb24884db5413256a112cbfad23a78cac661

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
SignatureVkjydIdX20c9g9OrUD/CBCpcDNXJ4s8xm1HIKz49uCXPEEtzEHFK4bnGdqmep1mQ/blM1aZd8N6eT3QFBGgqAA==
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

2026-09-17T12:07:11.344719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014120
observed 41e5eb131841b8dc1c9038379f481f36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:11.325566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014120/manifest.json
observed f190599b4524e86cfe5996246e64bb24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:11.305714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014120/publication.md
observed 84586c681a59ec002839642fae88d05a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:11.286106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014120/publication.txt
observed 16a1418825964ccdc25987887637dff7...
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.