OpenTechnical

OT-2026-000078603

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-2026-000078603) never changes.

Identity and time

Publication numberOT-2026-000078603 · never reused
Internal UUID01a0ae95-7c29-7b7c-9616-60154d4392ad · 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-2026-000078603
StatusPUBLIC

Content hashes

Canonical texte55ee6fe22c93a8bb32167658c6172380f454ee5451b8e2f220b623137fb1cf0
Markdown48db6282af55dcd80d4d8f483fe07a260a7333ca9b21441ede2578ce60447c5c
PDF
Publication pagec2eeb7aa7226ded3eae40da7de8e1e2b6ce0856e9d14d942eafd90b15567472d
Manifest046b082508faa2df8ed20dfb9e24eedd1aef0f2105e26242ef3e086d601c7130

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
SignatureEE2drZo74YowmifQ9TGouBw/a07Gfu9PgST0jtLXXI8gsc8WNbBKLnCPfGlMDRCk6d7HSY6TH4cQhOP6JOciAg==
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

2026-09-17T10:06:38.172313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078603
observed c2eeb7aa7226ded3eae40da7de8e1e2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.154110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078603/manifest.json
observed 046b082508faa2df8ed20dfb9e24eedd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.132889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078603/publication.md
observed 48db6282af55dcd80d4d8f483fe07a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:38.115978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078603/publication.txt
observed e55ee6fe22c93a8bb32167658c617238...
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.