OpenTechnical

OT-2026-000038899

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000038899) never changes.

Identity and time

Publication numberOT-2026-000038899 · never reused
Internal UUID01a0ae78-769f-7de8-828a-a144a05e3b51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038899
StatusPUBLIC

Content hashes

Canonical text9fdd3341a025f645148d6c8b643ef414ab083d26924e8fabc52cc9f4f7940ad6
Markdown34b09efdd5e5cda012ebfad183de54dc4e42332523db3df5aa6f1fb4fe16a666
PDF
Publication page7b271d8feb8369a179106dcf2f234fcc69a0559752d9dde5e19c03ba4b32242a
Manifest0144d28a4ad564719ba606f3cf210bc29774d2dfd275c076a9bd635c82f0dce3

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
SignatureiusEFzveSTza8Gkhy/b5M4agnGOak15wD14cVfkZL/FnDlktcBvh93Mn9FbLZNSYrhJWXZhqKUDGIWirA17IAw==
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

2026-09-17T11:21:34.112383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038899
observed 7b271d8feb8369a179106dcf2f234fcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.092528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038899/manifest.json
observed 0144d28a4ad564719ba606f3cf210bc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.074952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038899/publication.md
observed 34b09efdd5e5cda012ebfad183de54dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:34.057333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038899/publication.txt
observed 9fdd3341a025f645148d6c8b643ef414...
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.