OpenTechnical

OT-2026-000079152

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, vented after set-down

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-2026-000079152) never changes.

Identity and time

Publication numberOT-2026-000079152 · never reused
Internal UUID01a0ae95-ccbf-72e6-ad37-a4350fa99a8f · 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-2026-000079152
StatusPUBLIC

Content hashes

Canonical texte2c58a0b2c9a69718eb222cd402bf540718be6129ffdbfab3a693bd8f7f55a37
Markdown35fdefc541b6f216845f6444505879a2f6f5465559df0db01b5fbcc04f3bfab4
PDF
Publication pagecd33ae71f33a87a1d9dad33d9cf0a406dab8c3b805596484a952c2dd1eeee799
Manifestdcb01f7a359e1cb42ac290cf7c12407cd4648779f0596b83b0501d243466e415

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
SignatureIHLWDr9aftbdNDDgNcuVgXZHr1LfHJ4c9oh7V0TZ9VSH4NJs34rAk3xOzlYLFMAzyMBzISkZjFivJeUNL1P8Aw==
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

2026-09-17T10:05:25.778403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079152
observed cd33ae71f33a87a1d9dad33d9cf0a406...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:25.759728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079152/manifest.json
observed dcb01f7a359e1cb42ac290cf7c12407c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:25.739755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079152/publication.md
observed 35fdefc541b6f216845f6444505879a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:25.721387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079152/publication.txt
observed e2c58a0b2c9a69718eb222cd402bf540...
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.