OpenTechnical

OT-2026-000009533

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000009533) never changes.

Identity and time

Publication numberOT-2026-000009533 · never reused
Internal UUID01a0ae6b-7562-79c0-a547-aaf8528fecc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009533
StatusPUBLIC

Content hashes

Canonical texte5e438eaec1f8f313ff33c5540735655f737510155a886e797e238da4a1d217f
Markdownb5a01eb536743b2d68d67ad047a0b1bf9db2e8f83fea00d387bd18dc40c46d1b
PDF
Publication paged61f9588fa8cfdb2f08cb4d2babb8ade408760abb29c29d3cdba852d529c7699
Manifest48df051de8cb29aad3d1fab2cd537ee9ea3dd051be90e1410031ed11469771b2

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
SignaturegIWsl3e2OloDCFkVEqWT5MjCyBefBwR4A+MYulGZh4PXaUT7D0FvJxsKdHyKeduCGbsq6ikxYUPlnSoppXmABQ==
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

2026-09-17T12:16:57.138598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009533
observed d61f9588fa8cfdb2f08cb4d2babb8ade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.119812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009533/manifest.json
observed 48df051de8cb29aad3d1fab2cd537ee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.100934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009533/publication.md
observed b5a01eb536743b2d68d67ad047a0b1bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:57.078848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009533/publication.txt
observed e5e438eaec1f8f313ff33c5540735655...
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.