OpenTechnical

OT-2026-000016838

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000016838) never changes.

Identity and time

Publication numberOT-2026-000016838 · never reused
Internal UUID01a0ae6e-5919-7a98-90fc-c6ce1c1943a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016838
StatusPUBLIC

Content hashes

Canonical text25db975229d58eddfe500a59becc499fd985d14a3b046ccd434eb86e08002e5a
Markdownfc80519d97bfc37024573e0210434404cb9eecf322ffdc5b6d48a1ef3fc787ed
PDF
Publication page2cfb326878078b90b27d4cdea4459f6b7e508854019e326193a4524816641830
Manifestd2d51e6708b729c58d7176617091211c1e113482e7c2a349f4b20ee3bea02eb2

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
SignatureVFbCswqW3f3iRoi2gvhPviDVFxzaWRFZ7UbrEVOv4eeiWX9c+DovyiwOSnZrFk6pyGRl64vBDAOvN8TCcZNfCQ==
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

2026-09-17T12:03:05.946367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016838
observed 2cfb326878078b90b27d4cdea4459f6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:05.928739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016838/manifest.json
observed d2d51e6708b729c58d7176617091211c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:05.911270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016838/publication.md
observed fc80519d97bfc37024573e0210434404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:05.894134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016838/publication.txt
observed 25db975229d58eddfe500a59becc499f...
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.