OpenTechnical

OT-2026-000082015

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000082015) never changes.

Identity and time

Publication numberOT-2026-000082015 · never reused
Internal UUID01a0ae97-4d92-7f2a-b15e-3657866acbc2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082015
StatusPUBLIC

Content hashes

Canonical textd6bf7af4d87fe8395356c6ed667ec11c88c392eef61bd4c3b09b382a772006ff
Markdown4ce8342955103e92ac1950f26c846f1d176946b587256a67bb49226eb0293d28
PDF
Publication page504a0caeb7645cb9b2d6343aa20eb934a3d574f2a75eb905afe304c8924009d8
Manifest62ffe7f42e097dc3cf343a345ced02f073779a9c82781c4f2a0c8f640a93f84a

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
SignatureW4ZML0aoVPSl56lL2cOamL/cqBUi3cK7P/uIqh6UBxdWa/HSYwMxAPTGvS3fcs+IdVScboX2RsYdnhwdaRkYCA==
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

2026-09-17T09:58:43.794855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082015
observed 504a0caeb7645cb9b2d6343aa20eb934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:43.774835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082015/manifest.json
observed 62ffe7f42e097dc3cf343a345ced02f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:43.757747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082015/publication.md
observed 4ce8342955103e92ac1950f26c846f1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:43.738656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082015/publication.txt
observed d6bf7af4d87fe8395356c6ed667ec11c...
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.