OpenTechnical

OT-2026-000043044

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, 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-2026-000043044) never changes.

Identity and time

Publication numberOT-2026-000043044 · never reused
Internal UUID01a0ae7b-3278-79d5-8a44-55bf424161ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043044
StatusPUBLIC

Content hashes

Canonical text14f96a94fed73112d610b617f6080988ec39a6cbcb3e41b28af3f3896fb4c234
Markdowna5e401ee701450d305def2d1eb16b431d5e120bb2331a50f802f9d391a8c5026
PDF
Publication pagea68e750d83d03eddad86d13e4a533e2ca15bab136c85724384ea85f9acd84640
Manifest7660b323d9e47bbda74c9f8f5a5d1777bb6988a0f61e6df45afd35775ff90592

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
Signature1WquZMLMzX/GfZsUWhjb3Jn/cZj//KrSF/DlR8+61+8Dh0j6bg4nsv1K+6HmdK6YDZK8AuFmClg/jJsQlTIDBQ==
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

2026-09-17T11:13:26.895186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043044
observed a68e750d83d03eddad86d13e4a533e2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:26.873872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043044/manifest.json
observed 7660b323d9e47bbda74c9f8f5a5d1777...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:26.854425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043044/publication.md
observed a5e401ee701450d305def2d1eb16b431...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:26.834162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043044/publication.txt
observed 14f96a94fed73112d610b617f6080988...
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.