OpenTechnical

OT-2026-000056787

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000056787) never changes.

Identity and time

Publication numberOT-2026-000056787 · never reused
Internal UUID01a0ae87-7af7-7ebb-b837-dc71fa283b2a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056787
StatusPUBLIC

Content hashes

Canonical text2c14fc95b1e1b1a68317d90c5b734ac276c712492b46844d0f24f5042de2a2a2
Markdown4026c212f98c7222ead10ec8fe54d80a4489885f66f50bb1572f900cdee85cd6
PDF
Publication pageb438b0f415693d5443e7b298b481ec39c7ac4d93717ad256eb0b19717d52445c
Manifest49252598abc4d570432a4a525d9eb1d45e1882ac30a40791d0bce4e251ec3b59

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
SignaturerHqugln6p/X7rLs/mcmQ6ZgHpc8Pl4P+UvT7W3ahsIr8bKin+6godC05wwm+usMPww38Q54BZvqb7pZjd9R2Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:15.995020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056787
observed b438b0f415693d5443e7b298b481ec39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.976017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056787/manifest.json
observed 49252598abc4d570432a4a525d9eb1d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.956542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056787/publication.md
observed 4026c212f98c7222ead10ec8fe54d80a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:15.939569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056787/publication.txt
observed 2c14fc95b1e1b1a68317d90c5b734ac2...
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.