OpenTechnical

OT-2026-000087104

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, sustained 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-2026-000087104) never changes.

Identity and time

Publication numberOT-2026-000087104 · never reused
Internal UUID01a0ae9a-9f2d-7517-9138-98bc2dc308d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087104
StatusPUBLIC

Content hashes

Canonical textf497ab82eeecb6a7ebfc8cf71593a01b092ce7b5c0c4d4b6881667fa84248997
Markdown327a2cb633fc18463e3fb9eb6fd5e0ec87bd0085ffc6055b10abaa1bb07dc23b
PDF
Publication page26208dffa0432fe18d235a31c0e27bd64430d8309becc69bd519ec11bee6b9d0
Manifest48838eac3f32dbfe5b25c2c12672bfc7de9af66305be3a3315ebcb507224f36f

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
SignatureWq9kNBtJ4+/EDXXv1AXlcrG2+LZy9skta7l5gS3wqSHAs9PRK+3G+lTOPD3Rtkzx5jAxmR/9Q3FgJjRmrlPZDw==
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

2026-09-17T09:51:21.891058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087104
observed 26208dffa0432fe18d235a31c0e27bd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.873445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087104/manifest.json
observed 48838eac3f32dbfe5b25c2c12672bfc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.855598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087104/publication.md
observed 327a2cb633fc18463e3fb9eb6fd5e0ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:21.839926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087104/publication.txt
observed f497ab82eeecb6a7ebfc8cf71593a01b...
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.