OpenTechnical

OT-2026-000026848

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, sustained blow-off before set-down

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-2026-000026848) never changes.

Identity and time

Publication numberOT-2026-000026848 · never reused
Internal UUID01a0ae72-3452-7a8f-a3c6-bdbdf2bb2d6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026848
StatusPUBLIC

Content hashes

Canonical text65e5c70a6ce921d0d0dc86190326630095c5f7038df58e6d677d5bfc968a7ef9
Markdownd464b3b477866d74401676d747d111c005a192543e31ccfe6513411c6023bc07
PDF
Publication pagea3f5b06f4b307ee6e28a50fbe36ae017a9e2edb51195b58830be41f9a3def9c3
Manifest4efb8d64b1d4a9c4750f539734478d881712147f00c0046bf1f992eed48b035d

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
SignatureptH3/0b8Ef+ehsx4ITUm4/viXKaCkMtPZPKd4ydUVENiGYIEKsCc0O6tjkU9Ooufr3f3KGen004+AnPubJ+uCA==
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

2026-09-17T11:43:26.610799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026848
observed a3f5b06f4b307ee6e28a50fbe36ae017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.591001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026848/manifest.json
observed 4efb8d64b1d4a9c4750f539734478d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.572405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026848/publication.md
observed d464b3b477866d74401676d747d111c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:26.552551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026848/publication.txt
observed 65e5c70a6ce921d0d0dc861903266300...
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.