OpenTechnical

OT-2026-000018028

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000018028) never changes.

Identity and time

Publication numberOT-2026-000018028 · never reused
Internal UUID01a0ae6e-96fc-7742-bdb0-bdc3e6c7f3ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018028
StatusPUBLIC

Content hashes

Canonical text3405abe01eb3522a1efb7e69d8cc957ce8cd9b5e079e2a12e0c337b57c495ae3
Markdown5aa95e36e75164758a86efdd1d9246629a66ec700973cea5f89ccb15984644ca
PDF
Publication pagea2993ea2c3778b41dde39b5999ff5c76213a602b00721ca49ed19c5ee3545d76
Manifestff7366696f66b3a736808b60c015d2aa865e2668b28c6846b5fa770279baf0c8

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
Signaturev2BABiwLYY1fCbcfmVEvTtwYYQdhDpB3dzFz2RQR7Hb8SzABb18qNkHHtU18XUAtlRlDf2RieYxyTLIbG/cbAQ==
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

2026-09-17T12:02:03.293266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018028
observed a2993ea2c3778b41dde39b5999ff5c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:03.274507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018028/manifest.json
observed ff7366696f66b3a736808b60c015d2aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:03.256478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018028/publication.md
observed 5aa95e36e75164758a86efdd1d924662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:03.238833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018028/publication.txt
observed 3405abe01eb3522a1efb7e69d8cc957c...
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.