OpenTechnical

OT-2026-000054312

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000054312) never changes.

Identity and time

Publication numberOT-2026-000054312 · never reused
Internal UUID01a0ae85-b3a9-7582-8b8e-242262794244 · 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-2026-000054312
StatusPUBLIC

Content hashes

Canonical textce24787e82af56702547070b0618befad0c9f5f303df1f56b9d56e3361ee5733
Markdown2cf0d73505eb4fc22c9d01572778c8bff00be22b837ae4cb701c5c28c1abe0b1
PDF
Publication page3bd71d06a06d7d0ca47a2b6f1ea78aef194f26b013ff692e3cc4939e65b66043
Manifest4568734c96d5db05cb58dda46cc47d9ecad0e303247cd99d55a99050c394fff2

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
Signatureg1sgZr9rb5A5bYjLYCeibtyuxD7LNQs9VLLai1DBY89Mr2MgfKiftsKJhq38Up/AJik5HAYHLRnmToWfIoXVCQ==
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

2026-09-17T10:54:49.115913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054312
observed 3bd71d06a06d7d0ca47a2b6f1ea78aef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.097616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054312/manifest.json
observed 4568734c96d5db05cb58dda46cc47d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.079292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054312/publication.md
observed 2cf0d73505eb4fc22c9d01572778c8bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:49.060226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054312/publication.txt
observed ce24787e82af56702547070b0618befa...
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.