OpenTechnical

OT-2026-000039677

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000039677) never changes.

Identity and time

Publication numberOT-2026-000039677 · never reused
Internal UUID01a0ae78-d8d4-7648-b803-9bd731230fbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039677
StatusPUBLIC

Content hashes

Canonical textf17f03f60dab534037974d4b911eac36a4e1aed2def5248aa48242960c1f29a3
Markdown74ed0d78069fed8512f361ede4b5fc1882669f816b077352c54e97d8628bf9fb
PDF
Publication page3839d4d3210b5acd8ceb8ce1950339e5b3e4ef70b06d3a1c40f7840df73bd77f
Manifest600838cf9a31bf4bc5ee8b8cdf14fd1e52c5eac7bbdfc17d38e6c6cebf5bbe16

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
SignatureO0pHpvh9S92B1eh8Sla22WqE8zjGvOIB2R8XalCPyibZPhGnXzjR5Xqz1dOM+dEgevA0+/GtaOmbWMmP3Q+kCA==
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

2026-09-17T11:19:51.825767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039677
observed 3839d4d3210b5acd8ceb8ce1950339e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:51.805802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039677/manifest.json
observed 600838cf9a31bf4bc5ee8b8cdf14fd1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:51.787470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039677/publication.md
observed 74ed0d78069fed8512f361ede4b5fc18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:51.771306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039677/publication.txt
observed f17f03f60dab534037974d4b911eac36...
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.