OpenTechnical

OT-2026-000073932

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000073932) never changes.

Identity and time

Publication numberOT-2026-000073932 · never reused
Internal UUID01a0ae93-2b8e-7bf7-ba5f-dc992ce05683 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073932
StatusPUBLIC

Content hashes

Canonical text4d3a3b8d2a91c5370a06cdb258ffd584945b0721a08ec14937f1073526282aa7
Markdown08f74db24ad8d2837b5ff8778935babe67330cbb8631b5345d7a7bd560aae971
PDF
Publication page3116c4d5dc294b40543f4645065eab29af2dcf4ba5833be27e6b2bc49a90eac0
Manifest90423a1821b145e9b05b03d22536ee749d1b53c141355e17dbd69f3de7e10f8d

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
Signaturem1JWSeLsm/heXJldIebgBw51l2JhDj5K071AWrwQkRk4TU40CXW9xyBaO+fDcjCzD5q/Yax/fLIx2TOmbyMGBA==
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

2026-09-17T10:20:12.919894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073932
observed 3116c4d5dc294b40543f4645065eab29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.882097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073932/manifest.json
observed 90423a1821b145e9b05b03d22536ee74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.861927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073932/publication.md
observed 08f74db24ad8d2837b5ff8778935babe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:12.822257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073932/publication.txt
observed 4d3a3b8d2a91c5370a06cdb258ffd584...
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.