OpenTechnical

OT-2026-000019657

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000019657) never changes.

Identity and time

Publication numberOT-2026-000019657 · never reused
Internal UUID01a0ae6f-1fb3-760e-a45e-dedfbacf3aa9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019657
StatusPUBLIC

Content hashes

Canonical text8bcc2a9c618bfb507cbde8dfb8712b950e7d49f3cbdcb535c52c08a239e3ba13
Markdown522b102194e475bd62e0f71388469005d9ffe70be39d0e5e1162b8b7950e95a1
PDF
Publication pagea168c79f6a54dc5c783524484d1a91552a5e7e7729df33a3e6da1e137198aff1
Manifest1ed60204a0a96405f618bce4c708756e042a0ab51400e680d91326f687b05b7c

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
Signature09q+yW2MCCgvaU8y5ANTrXmcrXgmTJfzk6/xl71UnEc5AXJ2TxDYZfxK2BCuBYCWTng8csysWw4vt9fqUeFHCA==
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

2026-09-17T11:57:43.267191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019657
observed a168c79f6a54dc5c783524484d1a9155...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:43.250772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019657/manifest.json
observed 1ed60204a0a96405f618bce4c708756e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:43.233925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019657/publication.md
observed 522b102194e475bd62e0f71388469005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:43.216694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019657/publication.txt
observed 8bcc2a9c618bfb507cbde8dfb8712b95...
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.