OpenTechnical

OT-2026-000006658

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, pump fed, plastic cups, three fold

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-2026-000006658) never changes.

Identity and time

Publication numberOT-2026-000006658 · never reused
Internal UUID01a0a962-f40a-7a0a-9e35-9d47431c5abc · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:43:49.645699Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006658
StatusPUBLIC

Content hashes

Canonical text9371468890c8a64fca2c948fa08596765ea2dc490a79883a37ae8bc9e6e9c8ce
Markdown39a6445141055415a9e6003e638f8a93a13ec7e3e9108c45d534fb1a70f665d4
PDF
Publication page6df63f798576bfa9e81f4314bfae8f3ee9b55b4259f9137f680a1b9358aa9801
Manifest1d08651a8894c5654a3bd04e9ccea22265028276e7303aaef8862cbd7709239f

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
Signatureos0D7mLnetUnddw4HTVv2dI2Yn4gV0ux1oWsSTdUhOAL1Jr5W/7+E2+bFOvVefDv9/dH35r0aXVmVzFm3ohPDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:20.420939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006658
observed 6df63f798576bfa9e81f4314bfae8f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:20.409289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006658/manifest.json
observed 1d08651a8894c5654a3bd04e9ccea222...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:20.396694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006658/publication.md
observed 39a6445141055415a9e6003e638f8a93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:20.382017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006658/publication.txt
observed 9371468890c8a64fca2c948fa0859676...
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.