OpenTechnical

OT-2026-000039199

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line 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-2026-000039199) never changes.

Identity and time

Publication numberOT-2026-000039199 · never reused
Internal UUID01a0ae78-9673-7976-97f8-c23b7f6e61fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039199
StatusPUBLIC

Content hashes

Canonical textb8bedb92a0383c099478304df798cd00e1bc1c91ea90e6db5a1d17840621bafb
Markdownb95a9a4f2ff0cb5c674be29265c2c1431c28b65544a7c5584c5aad1273f45485
PDF
Publication page67065bfe7c2e2a451fa92bb6a71047d6d7dfab46f74cbf18fa7e5f49de6109b3
Manifestbfbb1cf816fb4ef4f5ba0005187b03a50ca008d5c2b13cdf400fbf6705d7f6b1

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
Signaturez3e1CND4mizB3553PGO6uhWkzIL/Ab1xtxzvD1sEVId7rZxkvYio1qp77JaAHfvD6a8oUdx1zTV3yJlGRsQRDA==
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

2026-09-17T11:20:44.085121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039199
observed 67065bfe7c2e2a451fa92bb6a71047d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:44.062892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039199/manifest.json
observed bfbb1cf816fb4ef4f5ba0005187b03a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:44.038595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039199/publication.md
observed b95a9a4f2ff0cb5c674be29265c2c143...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:44.019368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039199/publication.txt
observed b8bedb92a0383c099478304df798cd00...
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.