OpenTechnical

OT-2026-000089940

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089940) never changes.

Identity and time

Publication numberOT-2026-000089940 · never reused
Internal UUID01a0ae9c-428d-7d2e-beae-e70f0d87581c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089940
StatusPUBLIC

Content hashes

Canonical text9f230752e81e59db4e332a47ea5b55c537a6a1305eefb8ed72e16282059f8f95
Markdown129f5ce1e3ea38b3f8aa4a4a64ce41a7d4e09949f7569a06ec44c26ff0f9dd2f
PDF
Publication page266c8daeee2ee255a66867914221db24b7ae08df91bd70c8586d7593f9c3b941
Manifest5d47716b898c7730c424156a9d25df8249c06e6b1840608a51ff4d3a92989192

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
Signatureo3eC0ShJz19/gtO1/zXB8wB08QzLtC1jEuSc4A4F/ejycGEOxrDugU4xe1lybdk8jSuZ/mps6/jH8ELkwrNXAw==
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

2026-09-17T09:45:19.045148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089940
observed 266c8daeee2ee255a66867914221db24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.025293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089940/manifest.json
observed 5d47716b898c7730c424156a9d25df82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:19.006348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089940/publication.md
observed 129f5ce1e3ea38b3f8aa4a4a64ce41a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:18.987088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089940/publication.txt
observed 9f230752e81e59db4e332a47ea5b55c5...
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.