OpenTechnical

OT-2026-000047985

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained 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-2026-000047985) never changes.

Identity and time

Publication numberOT-2026-000047985 · never reused
Internal UUID01a0ae7f-c422-7198-9b7a-af57a2301f88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047985
StatusPUBLIC

Content hashes

Canonical textb4186f7d469d336f2dccbd930a320579e7467f02b2ceb709e9072f75aaa49f16
Markdownd486f50c666c4f816d2b0998a6a50a7eb991da295d4c4ede206099474806c63c
PDF
Publication pagef45bf4221f2bca262da07c15ae07ad442941475d12f130edd090952815334cb2
Manifestb150bcf9d5281e5f6029d16861628306c7826c01ac060426fa0b6608fe64481e

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
Signatureyv1Z79PXWYSMyOo9xFAEdPMoBd1/0ndSFDRx+AAVuYr01jCfPpzd1kTuZfvye4n/c0JbAPlR5Z/dc2A3jPiYDg==
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

2026-09-17T11:05:58.039855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047985
observed f45bf4221f2bca262da07c15ae07ad44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:58.021875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047985/manifest.json
observed b150bcf9d5281e5f6029d16861628306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:58.004382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047985/publication.md
observed d486f50c666c4f816d2b0998a6a50a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:57.985369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047985/publication.txt
observed b4186f7d469d336f2dccbd930a320579...
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.