OpenTechnical

OT-2026-000027253

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000027253) never changes.

Identity and time

Publication numberOT-2026-000027253 · never reused
Internal UUID01a0ae72-6996-7ddb-8c03-5113a53ca607 · 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-2026-000027253
StatusPUBLIC

Content hashes

Canonical text07baaef67b227360acb8145a9dc916792da3b042d935ef6ea60122863c9125f8
Markdown25a5e98d03bdb03ad8bea41d5af886bb001c8d08492b7cc78a662842af4dd32f
PDF
Publication page5fd984e75feeec24946944df227b27cd859388e23f36e6c7dab2033e3a21f4df
Manifeste4b9260ca206de214ba773dc3b234c36ba03bcdba4da75ed9e6986fa48f4e5cd

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
Signature9O9yhWbvkhJlyzsi/T2DfAa4YyTowBdjKjHQ8K0r5vM+zXw+8o6NDuoxcytI8akTZx/GrB/4hxkUDeVMn+7NCA==
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

2026-09-17T11:42:37.407691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027253
observed 5fd984e75feeec24946944df227b27cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.392638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027253/manifest.json
observed e4b9260ca206de214ba773dc3b234c36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.376622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027253/publication.md
observed 25a5e98d03bdb03ad8bea41d5af886bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:37.361707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027253/publication.txt
observed 07baaef67b227360acb8145a9dc91679...
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.