OpenTechnical

OT-2026-000086578

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000086578) never changes.

Identity and time

Publication numberOT-2026-000086578 · never reused
Internal UUID01a0ae9a-2c98-7458-abf3-74dd69f55e9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086578
StatusPUBLIC

Content hashes

Canonical text39b79ee31559bf802b8c0ce345bcb808a312c1e25533666d34b1019d404a5bd9
Markdownc30a40ab7340807694e5e6c91d3f4e0c1e86bb7aa792e119a0762b7584bef957
PDF
Publication page5602afbe092afa25cd79aeae3013b7656dbd61823efcf32a1ff9bbc0a7d50e00
Manifest5e37264eb5eaf10b6e368ff3da171983f66a7aa223c03629acaf1635b004589a

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
SignatureUXb5NYqTB+lGIhM32RPHiwwY9eyctDj8KWYoT9NkZL7yau84pmbt9Zj7rW3y5NkClgLy+V/1Z+ss56D4ekByAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:24.905647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086578
observed 5602afbe092afa25cd79aeae3013b765...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:24.886459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086578/manifest.json
observed 5e37264eb5eaf10b6e368ff3da171983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:24.867975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086578/publication.md
observed c30a40ab7340807694e5e6c91d3f4e0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:24.850707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086578/publication.txt
observed 39b79ee31559bf802b8c0ce345bcb808...
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.