OpenTechnical

OT-2026-000034973

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000034973) never changes.

Identity and time

Publication numberOT-2026-000034973 · never reused
Internal UUID01a0ae76-6a1b-7b50-a9d7-be0f04638f5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034973
StatusPUBLIC

Content hashes

Canonical text86212da359c1851bf0f9459ec27409c33f5e4b476779f8cbb8f266130095ae22
Markdownf58c5db02fd8dce1911a0f09cf58ae95ebbc44bc46d5e525a948becd0acb005b
PDF
Publication page7945d23d121586d70305124eff806d3f1ee2d844a652b1ed5bda7b8d8f571789
Manifest49458a2e84ad1eaf994b3c64df842969e34857cc7725b165d5d029e2ec79ea93

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
SignatureUyOK8lo7PPN07YvqAdK4cmpkqTuAxOPDy05Hb9xlIvevZmdI/sOVaqXQ/QZnzNQZ19naht4VDaWCOXKYn2UUBQ==
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

2026-09-17T11:27:54.204989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034973
observed 7945d23d121586d70305124eff806d3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.188922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034973/manifest.json
observed 49458a2e84ad1eaf994b3c64df842969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.172287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034973/publication.md
observed f58c5db02fd8dce1911a0f09cf58ae95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:54.155383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034973/publication.txt
observed 86212da359c1851bf0f9459ec27409c3...
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.