OpenTechnical

OT-2026-000075315

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000075315) never changes.

Identity and time

Publication numberOT-2026-000075315 · never reused
Internal UUID01a0ae93-f200-741c-92e6-386a0e0f104b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075315
StatusPUBLIC

Content hashes

Canonical text5133aaa812b82059d296f1b17e867f7d3cbf49c9ee5ce14eaefb74bbca10fe98
Markdown9f6e201482ca46ca4904cfd5faa06e5ba67cc112a473b4fecd609b36e77027cd
PDF
Publication page4a4c491432b7cb2a5fb68334d3dcde7d44d6e27235bad4bd672c55a3e181c863
Manifest29cfdbe12f600498f88c4a65faa6c2d67f76b10cd749dfa5ab482290b1911a19

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
SignaturepVm6xPDOTveafsUntwsS0xIbotc5v1VxSjShdWTw57SmlO/3puLmStdIaP5WTjSo3pvbxpan/lIA/eeuJPAyCA==
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

2026-09-17T10:17:08.721474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075315
observed 4a4c491432b7cb2a5fb68334d3dcde7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:08.703621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075315/manifest.json
observed 29cfdbe12f600498f88c4a65faa6c2d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:08.558660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075315/publication.md
observed 9f6e201482ca46ca4904cfd5faa06e5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:08.535702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075315/publication.txt
observed 5133aaa812b82059d296f1b17e867f7d...
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.