OpenTechnical

OT-2026-000091265

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091265) never changes.

Identity and time

Publication numberOT-2026-000091265 · never reused
Internal UUID01a0ae9c-f16c-7bc5-b174-2fe26ce3baec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091265
StatusPUBLIC

Content hashes

Canonical textece3b4df32bd5ec7dfb4465b4534ae780049b547a72844022d0a1c8d5f09f410
Markdown953d47a37934205d6ba5e2b93cf2bdddc507ea2cd1940f6cf3fb4ffd609461f6
PDF
Publication paged33ec2b34194b5060a69276f5e1177afc1aabd90d62dca2192b28cfe88552087
Manifestf99d4fcdf1500ee40c1394a7c2697f3b0506b877974b7a4b1b94d091f0cabb4f

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
SignatureUXul+ZXl8OMqssWiBTRNiub6hrrk/RDgrI6iprn+/ynNsCsh0rmKgr7Q+NxTbB0CrI2i/k67BvoTvoDfYldrAw==
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

2026-09-17T09:43:26.758128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091265
observed d33ec2b34194b5060a69276f5e1177af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.739699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091265/manifest.json
observed f99d4fcdf1500ee40c1394a7c2697f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.719421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091265/publication.md
observed 953d47a37934205d6ba5e2b93cf2bddd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:26.701436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091265/publication.txt
observed ece3b4df32bd5ec7dfb4465b4534ae78...
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.