OpenTechnical

OT-2026-000078937

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000078937) never changes.

Identity and time

Publication numberOT-2026-000078937 · never reused
Internal UUID01a0ae95-ccbe-7828-921d-87bbdf164438 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078937
StatusPUBLIC

Content hashes

Canonical text0bca83679846c014875e66d1a94a763a52c34eac85c3d26ebf8ae28db33cacd9
Markdown61e78ca7817216fbadd9a078146fe37da14ca1056976257f5ec89d1fea4e2e47
PDF
Publication page5392eb4ff5689d38ac7bdd52b43e826643f3e1f0009b1b6603a1ae2de08fee49
Manifest6d51a93b0b803180647cf79d08fc54bc71962d2106382bba8c04665235e8216b

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
SignatureO3oocQTiUBtMhP+oCoj+f/gBt0ADJbOVF7O9B2Ff6Ou9rIXDT+wBODEDkU8PKXc+VepOgZzOEUuIsZhllNRCCA==
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

2026-09-17T10:05:45.678425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078937
observed 5392eb4ff5689d38ac7bdd52b43e8266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.661530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078937/manifest.json
observed 6d51a93b0b803180647cf79d08fc54bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.644411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078937/publication.md
observed 61e78ca7817216fbadd9a078146fe37d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:45.625750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078937/publication.txt
observed 0bca83679846c014875e66d1a94a763a...
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.