OpenTechnical

OT-2026-000009006

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000009006) never changes.

Identity and time

Publication numberOT-2026-000009006 · never reused
Internal UUID01a0ae6b-31b8-70fd-b4ff-ce516189d7bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009006
StatusPUBLIC

Content hashes

Canonical text05c5d089d763f5ba1db27a1634fd5e4327fc8e96222f10c25237c1a92551b783
Markdownc40735d922f870f825dfd9670e13d5badfe5f97e836101daedcbe3e52106d04f
PDF
Publication pagea85aab68ee0ed81e3b34a44a7614a3b0ee02b481c17bd7155a8f8797d21a6f94
Manifest74544a9ead586c5bba7d8101a2ebe347b807dd57cbbf79dee595d7741baa720f

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
SignatureCI4QvtmWExubwhag4cuuZukMawQbYaNRcBO4y9UdV00lB5HPtddDCa3Nz2KNfmGSpn2pyB/XiTuqaG9OinSABQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:38.485790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009006
observed a85aab68ee0ed81e3b34a44a7614a3b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:38.461958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009006/manifest.json
observed 74544a9ead586c5bba7d8101a2ebe347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:38.439414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009006/publication.md
observed c40735d922f870f825dfd9670e13d5ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:38.418534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009006/publication.txt
observed 05c5d089d763f5ba1db27a1634fd5e43...
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.