OpenTechnical

OT-2026-000081789

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, sustained blow-off before 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-2026-000081789) never changes.

Identity and time

Publication numberOT-2026-000081789 · never reused
Internal UUID01a0ae97-0f74-7c76-bebd-ece68cc0c712 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081789
StatusPUBLIC

Content hashes

Canonical textf69b60e2ade4e54815d13667597065999fc37fdf523224442b2a50c58fbab75f
Markdown06c825a9ebc9f610ea512518fbd557f9489d06ba5b73311f36084a2ca0ef5e0d
PDF
Publication page57422171cc8c9300e8cf28e9a5460906b9232a0f81feef1962efd6fd1e5e4787
Manifeste66e00319d8dee459be3db9b6001527b051294cacfce2df78eef30ca03947b98

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
SignatureCEsM+Ygspzxav125xpHXOXXNMYbduBtYHN+nq6FsevSHtpd6QaiM7xnRDeRGmM/0dcyyqKq2pJISVIPLdrBZDg==
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

2026-09-17T09:59:53.243906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081789
observed 57422171cc8c9300e8cf28e9a5460906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:53.226175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081789/manifest.json
observed e66e00319d8dee459be3db9b6001527b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:53.209449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081789/publication.md
observed 06c825a9ebc9f610ea512518fbd557f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:53.191710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081789/publication.txt
observed f69b60e2ade4e54815d1366759706599...
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.