OpenTechnical

OT-2026-000017549

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000017549) never changes.

Identity and time

Publication numberOT-2026-000017549 · never reused
Internal UUID01a0ae6e-76ca-7666-9066-e00b9027601b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017549
StatusPUBLIC

Content hashes

Canonical text4b879b701b94cea10986b52652465b7b72359e067d6982e90319937d6de05b70
Markdown6249aa05a1ef9a4e5f43a66aeaebdc051e9955ffb9636890d7abc8ae9665f606
PDF
Publication paged3b1cf13287b9aa78022612fe7208a709f7d6d6fba0aef38b6218cd296fad6fd
Manifestae8bd8c5526c67e4357cacae8db693f90ef68e315c049bc9a8e75a97def15c8d

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
SignaturerkiabQqS5Gz3TyDvscReSGtlODkf54jJTH5FIHyC1PzpSet4ECb2Um/fuY1N2+8NBxRu6GZXTpUNHZ3B2Gc5CA==
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

2026-09-17T12:02:42.887750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017549
observed d3b1cf13287b9aa78022612fe7208a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:42.869962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017549/manifest.json
observed ae8bd8c5526c67e4357cacae8db693f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:42.852949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017549/publication.md
observed 6249aa05a1ef9a4e5f43a66aeaebdc05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:42.834828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017549/publication.txt
observed 4b879b701b94cea10986b52652465b7b...
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.