OpenTechnical

OT-2026-000069155

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000069155) never changes.

Identity and time

Publication numberOT-2026-000069155 · never reused
Internal UUID01a0ae90-6dcf-7fe5-8261-d831ce864fdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069155
StatusPUBLIC

Content hashes

Canonical text0386a124091e3952c58a5ca3a92313b1c07f44244ea4559627cf9b75a078c834
Markdown96f49022aaf5700636af503a2e9398ee2076aee535b5025f9d0635fc933fa17a
PDF
Publication page14985eedd3f3dca0e6700ccf266bedd87e51ca3ca939e48c6594562c7e39d03f
Manifest5ef7fcf997445e933f807143430ced55dc13f42aba7ebd8ec007b2a4759b715f

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
SignatureD8lWR2ux32/IoESVoFyAtFyOVmDEANNM+LSwysfScRU+t5T80floBHNgbTeukdDtKtQthO9/nBV+nrJNA604Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:02.480857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069155
observed 14985eedd3f3dca0e6700ccf266bedd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.465130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069155/manifest.json
observed 5ef7fcf997445e933f807143430ced55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.449322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069155/publication.md
observed 96f49022aaf5700636af503a2e9398ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.430856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069155/publication.txt
observed 0386a124091e3952c58a5ca3a92313b1...
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.