OpenTechnical

OT-2026-000048743

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000048743) never changes.

Identity and time

Publication numberOT-2026-000048743 · never reused
Internal UUID01a0ae80-c32c-748e-9a99-9f7d2491edf5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048743
StatusPUBLIC

Content hashes

Canonical textdf69b94fef081327b105f8f693e5e6115badeedcd6deb2d435899a4131b4abd9
Markdowncbc1e928bc3f4983399b785cb59be0e7f162e1708e071baaa1f21f41fbf08b41
PDF
Publication page6b04a8374ab49bf0106ce74f9903d29dd0a0fcb9503b7f74f1bd124ac808babb
Manifestac3c0fec0c56cc978198bca18d249accf50d38aad9694dd1a3db2a4b721b6a2f

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
Signaturegw+LMKVMsYzHjMw19LiMDh6KjyitbA1wAXKRprQ1aQwM/6ute2hjhEMoKTT01V2/n0ohzQSiHVHfrJYQB4E3Cw==
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

2026-09-17T11:04:24.115578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048743
observed 6b04a8374ab49bf0106ce74f9903d29d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:24.088011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048743/manifest.json
observed ac3c0fec0c56cc978198bca18d249acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:24.059489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048743/publication.md
observed cbc1e928bc3f4983399b785cb59be0e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:24.030931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048743/publication.txt
observed df69b94fef081327b105f8f693e5e611...
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.