OpenTechnical

OT-2026-000043422

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000043422) never changes.

Identity and time

Publication numberOT-2026-000043422 · never reused
Internal UUID01a0ae7b-327e-7ba2-855d-92883ac38373 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043422
StatusPUBLIC

Content hashes

Canonical textfdf0f38c8811a561bd27cc56d4b32d5aad4d33a24c29895dd96c44ffefcdad38
Markdownb01b5cba0e627a1c486a22c93ce0ef502ef8525eea30fa862c01f4bba1ee0f3c
PDF
Publication page9a7695c834e2d8663fb7b14dcba76e13b6da45f2f629c11c31a60a7820689873
Manifestf80b7eba89d944dd6bda75fcb8ce724603e0f0e06356efc704051bd4acaacfe9

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
Signature4VAWIKaAPv6gLcN1VX1OYCqeA9d92QZsjvmX+UkDeXM8thY9vGoVOPrWR4iuU3iGuWp1Z++wh7UnzuMq3PXLDw==
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

2026-09-17T11:13:57.896981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043422
observed 9a7695c834e2d8663fb7b14dcba76e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.877534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043422/manifest.json
observed f80b7eba89d944dd6bda75fcb8ce7246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.859628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043422/publication.md
observed b01b5cba0e627a1c486a22c93ce0ef50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.841598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043422/publication.txt
observed fdf0f38c8811a561bd27cc56d4b32d5a...
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.