OpenTechnical

OT-2026-000041286

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, sustained 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-2026-000041286) never changes.

Identity and time

Publication numberOT-2026-000041286 · never reused
Internal UUID01a0ae79-b144-7da4-a1bc-38b80005c8fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041286
StatusPUBLIC

Content hashes

Canonical textda9bc1ae6bdf90f98bf0b76e90bbe1d5245dfa96e1e51ca91b98cd7e5c957571
Markdown86b23173f7acd443c0415aff81585bcfc6626418c7a39ce5dc44b03d7c5cb8da
PDF
Publication page7cb3a9a5c79f565b792b4b015c2e868e562e47cd089c814b440d9b129a5283bc
Manifest2c90baa99b7c2fd581cf39f47e020c4600631a2ea3e4800c38fa6bdf7d34806e

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
SignaturekpNHKEIxyMu1otGqRXT7A3ndwvB8xOB4gmTytTxYjw/hBhtzCCXplSJtoIpXGltl4RP51xLWtB9zX0HQiOzcAw==
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

2026-09-17T11:17:15.923255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041286
observed 7cb3a9a5c79f565b792b4b015c2e868e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.905147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041286/manifest.json
observed 2c90baa99b7c2fd581cf39f47e020c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.887405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041286/publication.md
observed 86b23173f7acd443c0415aff81585bcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.869565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041286/publication.txt
observed da9bc1ae6bdf90f98bf0b76e90bbe1d5...
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.