OpenTechnical

OT-2026-000086081

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000086081) never changes.

Identity and time

Publication numberOT-2026-000086081 · never reused
Internal UUID01a0ae99-e82b-7c85-83c5-b0789a9fcd6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086081
StatusPUBLIC

Content hashes

Canonical textc19620769282d520cef7f6abd6381f13056d34a49f2dce6a01acca42a6c02592
Markdown6d620d5e0fa15e66c1156709667b7ad2e2e40a9a296ac529eb019d7111be9470
PDF
Publication pagee77a0993eb2fc79c5d8f893c124bb7d509148d2f0a90fb44026f74f7d3f68bfb
Manifest0a0cebd612091c244941e8ad2bf204555bba329b74aa76010cbca1a768e7f7ef

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
SignatureRgoTNrVFeUZUibDMgG6NNIV2BFvE2DoSimo+n2XQVdI8dEHx9D7A/z8ARx5fvZE6eEQKUJKA+WcyiwQaN5PBBQ==
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

2026-09-17T09:53:43.442259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086081
observed e77a0993eb2fc79c5d8f893c124bb7d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:43.422992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086081/manifest.json
observed 0a0cebd612091c244941e8ad2bf20455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:43.399660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086081/publication.md
observed 6d620d5e0fa15e66c1156709667b7ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:43.358644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086081/publication.txt
observed c19620769282d520cef7f6abd6381f13...
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.