OpenTechnical

OT-2026-000086288

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000086288) never changes.

Identity and time

Publication numberOT-2026-000086288 · never reused
Internal UUID01a0ae9a-2c95-7f2e-9b53-ad5ece151a97 · 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-2026-000086288
StatusPUBLIC

Content hashes

Canonical textccd1b288da5856659db52eb0ddcf71e0a095c2790f34c5924ec0e3d5b4c57988
Markdown28d4b470d9ed149acb4300367f5133177dfb789cbe266eaf9001c01ec3f836fb
PDF
Publication page3dc74e5e87e63b3bfd60c21f129596e6b3461987a79f55a0494439fe55b099d0
Manifest797a823fe786ca044882849d48d3fbb194327a9defd6d54885284d3195c9a7d2

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
SignaturegmCGvnMYHLnvyXxAhO4MNjSjQGZJEyI+TnycnJ6FwKP8zRcT38jPnS0foqGLtl8EHxSYRFL7t6PNN69PaJY1DA==
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

2026-09-17T09:51:57.827534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086288
observed 3dc74e5e87e63b3bfd60c21f129596e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:57.808102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086288/manifest.json
observed 797a823fe786ca044882849d48d3fbb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:57.789539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086288/publication.md
observed 28d4b470d9ed149acb4300367f513317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:57.771010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086288/publication.txt
observed ccd1b288da5856659db52eb0ddcf71e0...
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.