OpenTechnical

OT-2026-000026931

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, pulsed 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-2026-000026931) never changes.

Identity and time

Publication numberOT-2026-000026931 · never reused
Internal UUID01a0ae72-3452-7bbb-9273-f6fc3752c6dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026931
StatusPUBLIC

Content hashes

Canonical text4f2ff236c9f85a60a08b1da11639cc0dc0d9d8aad11ff8862cf6c66ff1cab8f2
Markdownf806278d03df7565dae9f3cbca2d7f779554de421e76518c22bd43c77f29e400
PDF
Publication pagea1a0b556c0dc1b3fb2eb86e93a9a51ba52e8e87150358fa47213b1893fbf8d96
Manifest0cb713c2ee6acfb1324ce7af43515e37059a3f534405257c47c815a8ff621839

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
SignatureJxr9XxSQjfPEtK8nriL9iFJdoWKSQNNxjakx3/M2ye0MDUm+zyFsfN9HwCUFwBK4VC2srulCXgRrjEDIrpTYCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:43:32.878931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026931
observed a1a0b556c0dc1b3fb2eb86e93a9a51ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.862012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026931/manifest.json
observed 0cb713c2ee6acfb1324ce7af43515e37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.843170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026931/publication.md
observed f806278d03df7565dae9f3cbca2d7f77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.826989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026931/publication.txt
observed 4f2ff236c9f85a60a08b1da11639cc0d...
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.