OpenTechnical

OT-2026-000089685

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000089685) never changes.

Identity and time

Publication numberOT-2026-000089685 · never reused
Internal UUID01a0ae9c-1a22-7a82-a464-ccba37a89029 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089685
StatusPUBLIC

Content hashes

Canonical textb4ee329fe95e756c24352ec099db479f95ea01aa3ad03487d81cefca1c8644a7
Markdown98369ba8d1144b9f518226731b8fec744a792f511760fc1c071c70ca8a483f3e
PDF
Publication pagead0cb3fa20ecfb7eb9dbaad3a3652be123af0509330fe9243a40610fc2b3a893
Manifestf6b5a4e65f17dae7be917affccf8e496fcd3e46822a2cc6fe9fffb38eae067a7

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
SignatureqzvdxkFsB0SLLofKtDPP17oEvp/D3gjsFZKptJfcXuhQx3qRuSmvE+71WdDoGphBeudA1ClkheEBU3LaavF5BA==
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

2026-09-17T09:46:40.987227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089685
observed ad0cb3fa20ecfb7eb9dbaad3a3652be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.966270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089685/manifest.json
observed f6b5a4e65f17dae7be917affccf8e496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.948566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089685/publication.md
observed 98369ba8d1144b9f518226731b8fec74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.929733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089685/publication.txt
observed b4ee329fe95e756c24352ec099db479f...
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.