OpenTechnical

OT-2026-000103586

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single 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-2026-000103586) never changes.

Identity and time

Publication numberOT-2026-000103586 · never reused
Internal UUID01a0aea4-e461-7532-b050-33c42e4d2b16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103586
StatusPUBLIC

Content hashes

Canonical text55fde09933e48382681a3cf1dd8635f5abe3f10436be58cb16c86dc78f4175eb
Markdown1fd97dc5a82c9a0ebc1d827f56d11fb91e88fb86c662d45347467bc7fc2b3587
PDF
Publication pagedd9374d5904fd266b1e95c2e1e16e68afd0f1b4755dc78e8b265e6596798fd41
Manifestdc5c92c716e8a048c5f3a80e832286f90229e9ebba26fd35468fb14b459a4e95

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
SignatureogYMyntrUSSUdwSWCEwzfGSLpXiBi93x/qAfiGmm8+W5+BtM8SD0SHomvLalwUdH3OVEz6rDcHCTTw726lY1CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:22.331440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103586
observed dd9374d5904fd266b1e95c2e1e16e68a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.313033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103586/manifest.json
observed dc5c92c716e8a048c5f3a80e832286f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.296757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103586/publication.md
observed 1fd97dc5a82c9a0ebc1d827f56d11fb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:22.278833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103586/publication.txt
observed 55fde09933e48382681a3cf1dd8635f5...
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.