OpenTechnical

OT-2026-000056440

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, sustained blow-off after set-down

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-2026-000056440) never changes.

Identity and time

Publication numberOT-2026-000056440 · never reused
Internal UUID01a0ae87-4bd2-7300-82cc-33d4cb7c5d5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056440
StatusPUBLIC

Content hashes

Canonical text9551757e078110d9bf15c3fa0d89b38c735e3dd8fc473b78deb2dd814827c4d9
Markdown6c7b05381ea6c930652bb91e82398ca6fc7e23d8bba2d99e318b77ae35c148c4
PDF
Publication pagefa103d06bca39ce26344c4df5b4db3568bf1def314aa808b8430f0096ecbd547
Manifest51e1a0582bd36030cb069307470b42e9004aafa42cf4a64a1d433a59bff64a7b

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
SignatureaK9eZR4fdeBf09HR/mfbJV9gQqhisCb2NGD84YoXRuJJFJInLmc01IQQPNIsCjH2QZgj5bJUmfKU8KP1mQohDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:58.465274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056440
observed fa103d06bca39ce26344c4df5b4db356...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.448806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056440/manifest.json
observed 51e1a0582bd36030cb069307470b42e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.432280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056440/publication.md
observed 6c7b05381ea6c930652bb91e82398ca6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:58.411654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056440/publication.txt
observed 9551757e078110d9bf15c3fa0d89b38c...
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.