OpenTechnical

OT-2026-000027273

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000027273) never changes.

Identity and time

Publication numberOT-2026-000027273 · never reused
Internal UUID01a0ae72-6996-7e10-a3af-7a96741f8ec9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027273
StatusPUBLIC

Content hashes

Canonical text8d704446f67fddb6acd7b868c22d874fba5b3bb3080bed8925e01eab938f833d
Markdown5d5074623eaa8ad7cc9f70d37d263883180c5934a8b07cf2ed27e6e785a0b814
PDF
Publication page33736ae5c33f496a29e26f640f293de946949f81747c7ea633f482fc68c88d77
Manifestd38b5236e4c0b8842c4691fd7531ab2276f85098d6091d00af1b4d4d8f4498a4

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
SignatureopG6N4MN1ou0VBGWCTLZrxAtG+C2pyODwfFqvRs6P7/Cq2+n7NgFr7mt/w9Q/KjRhSmBT5BoYFEEevVcSFyyAQ==
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

2026-09-17T11:42:39.460315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027273
observed 33736ae5c33f496a29e26f640f293de9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.436282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027273/manifest.json
observed d38b5236e4c0b8842c4691fd7531ab22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.417817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027273/publication.md
observed 5d5074623eaa8ad7cc9f70d37d263883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.389821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027273/publication.txt
observed 8d704446f67fddb6acd7b868c22d874f...
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.