OpenTechnical

OT-2026-000054893

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000054893) never changes.

Identity and time

Publication numberOT-2026-000054893 · never reused
Internal UUID01a0ae86-1285-74c6-8a10-0f24b1b5cc47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054893
StatusPUBLIC

Content hashes

Canonical textbac4e1a6effc6532d2a325f7993e66505d94d2a0c41a87a718a654cb9e6b235b
Markdowncd536416eef8a81b3093862d583fdaadd94b037a8f6ae71c3577872714fdecdb
PDF
Publication page0b958824bbdb7c5fd0ea27cfc268b1fb2204310e90310b5f3c38d24904ff1896
Manifest03f7a022980b121c4c0aa303567c6432e048e2500cd88e78cf12b236675d61da

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
SignatureEOKjRzjEDs9EMTM7gvvPnOm9JyNYZ90pGwjB/Isc8VDWQaG0HrhUaccLf1D+VsiYwC1ktlULYaKew/KLFti/Cw==
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

2026-09-17T10:54:05.324808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054893
observed 0b958824bbdb7c5fd0ea27cfc268b1fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:05.307518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054893/manifest.json
observed 03f7a022980b121c4c0aa303567c6432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:05.286152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054893/publication.md
observed cd536416eef8a81b3093862d583fdaad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:05.263902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054893/publication.txt
observed bac4e1a6effc6532d2a325f7993e6650...
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.