OpenTechnical

OT-2026-000034657

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line 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-2026-000034657) never changes.

Identity and time

Publication numberOT-2026-000034657 · never reused
Internal UUID01a0ae76-1ed1-71ca-a97d-859c9568dbc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034657
StatusPUBLIC

Content hashes

Canonical text2d14c4f84d7364f9af305fc3bb4c15f7bec99f876b0d78cae236189c3ae28056
Markdown987876c86d7e2499323cb971b6c2f5bbac3009df739ce5beba617f130acd60ca
PDF
Publication page9c9202b44f0c565e49f021699b50d94dfa17bcbc622581299e20d6d0222451e1
Manifest96cdd10b9b02c8662e784bfc3cce7e1af8de80ba934f4137bd18bbf540184a98

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
SignatureaX0m1U2iXVVqBhux/CVU3IMfR5GiYPTDTc0UQJsWlH4trwIsX4M/59TUSU12s2Q/NQoO8TtGTlYZjXkoQ/BDCQ==
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

2026-09-17T11:29:02.970024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034657
observed 9c9202b44f0c565e49f021699b50d94d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:02.952106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034657/manifest.json
observed 96cdd10b9b02c8662e784bfc3cce7e1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:02.936421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034657/publication.md
observed 987876c86d7e2499323cb971b6c2f5bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:02.919951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034657/publication.txt
observed 2d14c4f84d7364f9af305fc3bb4c15f7...
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.