OpenTechnical

OT-2026-000078593

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000078593) never changes.

Identity and time

Publication numberOT-2026-000078593 · never reused
Internal UUID01a0ae95-7c29-7c88-9c66-0004a2b54b51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078593
StatusPUBLIC

Content hashes

Canonical text71bc2a321bb24b82d6f15cd043ae5d6f6322dcb8d1eabde308b5c9837f41e6cd
Markdownbeaa47fa4bd77a0359e5edec154826404d3cb593da9b99ce2b0685875c0f417c
PDF
Publication pagee79bbe8b0300cbc7d98f5dab0a56f2783b6385e409dd37a2091c7848fae3cd24
Manifestf83d50211b2a135b91958daece1b33c32e044361f5c29db16361c8247c9988a0

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
SignatureyW6IVk2AWqFmTofsWEHOvqDuFyOi3j2izF22SN8pMgh1QK5XnjfIAtVAAQyeCHv6b2IbQZLbknYtir+rjdlnDw==
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

2026-09-17T10:06:37.354072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078593
observed e79bbe8b0300cbc7d98f5dab0a56f278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.337023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078593/manifest.json
observed f83d50211b2a135b91958daece1b33c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.320205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078593/publication.md
observed beaa47fa4bd77a0359e5edec15482640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.301139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078593/publication.txt
observed 71bc2a321bb24b82d6f15cd043ae5d6f...
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.