OpenTechnical

OT-2026-000018952

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000018952) never changes.

Identity and time

Publication numberOT-2026-000018952 · never reused
Internal UUID01a0ae6e-d522-7747-a816-90df1939d940 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018952
StatusPUBLIC

Content hashes

Canonical text4195ec4e8152b83e69b2b419194fc2a7b8d181525ebc5e16c221088af25a15cb
Markdownd8d84038e46b0fb7dd33c502449bdf9cee3b21579ea323fc22ce89f9625397ed
PDF
Publication pagefcb2c7efa8b10915ec5b7184576511d752b4c500c292ae05558ff49cde2c1ffa
Manifest2a60f2a329489ca7ff9c30601364eee9257f161173f088693d4930639c448062

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
Signaturelk+bpw6KExeeBUf0AHw3XJpIMYYsMcHQkt8JE5sNS6u2Ijj1Nx2nsfIeuQ/JCO9kzaL+RRGVGNBwoSQzP3NuCQ==
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

2026-09-17T11:59:37.370799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018952
observed fcb2c7efa8b10915ec5b7184576511d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.352097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018952/manifest.json
observed 2a60f2a329489ca7ff9c30601364eee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.333203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018952/publication.md
observed d8d84038e46b0fb7dd33c502449bdf9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:37.314301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018952/publication.txt
observed 4195ec4e8152b83e69b2b419194fc2a7...
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.