OpenTechnical

OT-2026-000031706

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000031706) never changes.

Identity and time

Publication numberOT-2026-000031706 · never reused
Internal UUID01a0ae74-bad0-70d9-90bf-dac97d06eedd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031706
StatusPUBLIC

Content hashes

Canonical texta9cc1fc77c630f67da54596d5a768de8cd976620b874fe166eee3b5bfd779d72
Markdown845e8622c65d9ec681a7c0ccc142d27f81b8f1a4cdc1f77881c0c9ca781b85f5
PDF
Publication paged3f17cbd1f43b4815ff7aa9c4b595adde818c30f2f15bc76bce031447f996f3d
Manifest28b7ff4aad78876d273ced9b9493a04dc09f46ca357426e570b5ed6305de4457

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
Signature2rpZw/fdba/kjHof9W0IV94V5iRh9usbpPYpXK6rD3XM2ypr8Vxl39gMxoPv4RsLN0PD2u+nk5Zjt4I7+o4mDg==
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

2026-09-17T11:34:48.868661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031706
observed d3f17cbd1f43b4815ff7aa9c4b595add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.852102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031706/manifest.json
observed 28b7ff4aad78876d273ced9b9493a04d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.832062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031706/publication.md
observed 845e8622c65d9ec681a7c0ccc142d27f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:48.813895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031706/publication.txt
observed a9cc1fc77c630f67da54596d5a768de8...
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.