OpenTechnical

OT-2026-000054396

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000054396) never changes.

Identity and time

Publication numberOT-2026-000054396 · never reused
Internal UUID01a0ae85-b3aa-76e1-b27f-c41ab506aabb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054396
StatusPUBLIC

Content hashes

Canonical text3dc4666d670008a41e4f19bba491a4af5d0a8e14849308ee82b4400e927863d1
Markdown5c7c44c409bbc93086ea6e245b2ba77cd6c06f8c18ad7706c0c63fb41bd6fc01
PDF
Publication page8c7e7dc15f8f924965dd66422c5c2a183f71986667a6b3489cb837051ac36ac2
Manifestbf7b0551aa37273c0f9f7011c9eb7b4ba31529573b82bdb0e5a4bec92cea5c61

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
SignatureBjThcx+1syo09JfmeVsjiuSy7Nq2cUH4mNqnwVMFhaVCR2txk18jvITnCFbugyyEDmPUZy9WFbEdiddxU+/WCQ==
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

2026-09-17T10:54:56.212921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054396
observed 8c7e7dc15f8f924965dd66422c5c2a18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.191687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054396/manifest.json
observed bf7b0551aa37273c0f9f7011c9eb7b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.166726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054396/publication.md
observed 5c7c44c409bbc93086ea6e245b2ba77c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:56.146060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054396/publication.txt
observed 3dc4666d670008a41e4f19bba491a4af...
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.