OpenTechnical

OT-2026-000041377

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000041377) never changes.

Identity and time

Publication numberOT-2026-000041377 · never reused
Internal UUID01a0ae79-b144-73a7-86c4-c5c1ccaee60b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041377
StatusPUBLIC

Content hashes

Canonical text54613a01b23aa9b605d4704fd5cafcfcad96a55478e4aa391b452dd6135a180d
Markdown8cebb93492ee130b684fd56fb8f7933b2c17275b6ed6ac6c7ddf591787b9999c
PDF
Publication pageb99d7f83fd39fd7bda51dc41b36dfb4e8a09dce3ca5018cd4fa1e4e1513d44a7
Manifestfc1d5481fc6f0baa93d1988c71bef43d1985e5a557cdaa280bea02607b54ecf4

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
SignatureD6uuzka0K+A5YSTPTz/QrpK2ttmk8Z69Y3GWOmXkGTJ+QXTD9xsW/zL8n8fLaVA0ofrhKji4u4XnuPZWbsRRCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:17:22.993504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041377
observed b99d7f83fd39fd7bda51dc41b36dfb4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:22.975866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041377/manifest.json
observed fc1d5481fc6f0baa93d1988c71bef43d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:22.953075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041377/publication.md
observed 8cebb93492ee130b684fd56fb8f7933b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:22.934544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041377/publication.txt
observed 54613a01b23aa9b605d4704fd5cafcfc...
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.