OpenTechnical

OT-2026-000074866

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000074866) never changes.

Identity and time

Publication numberOT-2026-000074866 · never reused
Internal UUID01a0ae93-ac2c-7cba-8c52-f50214ca1dd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074866
StatusPUBLIC

Content hashes

Canonical textf32d47b8f2d53bf21e08022fa95db57792f024d3fb16f29f1fec5a1677730a6e
Markdownd502132f155c5bbe253ca94387cd0c6e367fae014326a4c9a4657cb3931549cf
PDF
Publication page597f6b10f810eb3cf1b88178c4fdea8b20a942b15e1c5e160ac043d06dd7538a
Manifest016035f5741b16b217fd1740acf42fcfd087df500baccab3e6caa319d32c4b4b

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
SignatureEeVetkjCSBC8GfMMBxTQARPhJePIy/B+oAdAYNp49YOE7vMoHc2oaXcxG0/JY2o2Jq5bTXH45eAgq1cnoPxrBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:34.963005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074866
observed 597f6b10f810eb3cf1b88178c4fdea8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.946229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074866/manifest.json
observed 016035f5741b16b217fd1740acf42fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.929457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074866/publication.md
observed d502132f155c5bbe253ca94387cd0c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:34.913350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074866/publication.txt
observed f32d47b8f2d53bf21e08022fa95db577...
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.