OpenTechnical

OT-2026-000027847

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000027847) never changes.

Identity and time

Publication numberOT-2026-000027847 · never reused
Internal UUID01a0ae72-a4a5-76cd-b9fd-4c49b74c7ab3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027847
StatusPUBLIC

Content hashes

Canonical textd9e57e1aa3244b4b9bd5e746feffdfece176b1c90248e934ac55916195617a7a
Markdownc729c35da6b30290ce61d145d2ccac31e5394c47e5328ef164dc934ab7c26517
PDF
Publication page468326175f3bf73f9944d30bad5b120993f256a378b9fe77b37f3964f8172aad
Manifestce5c78f8c679a113338cb5c70499bbbcdbe8a59d7088f3f99128445c48fcd0d3

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
Signature1yFJAO1IbEST1coYrmhdhbh3wGmAvDv0NeBlobRF230WG5s/v9xTiKbTvMY8SwVJ8kPs/HbSQF2xhojycZD3AQ==
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

2026-09-17T11:41:54.237403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027847
observed 468326175f3bf73f9944d30bad5b1209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:54.218732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027847/manifest.json
observed ce5c78f8c679a113338cb5c70499bbbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:54.200044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027847/publication.md
observed c729c35da6b30290ce61d145d2ccac31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:54.182899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027847/publication.txt
observed d9e57e1aa3244b4b9bd5e746feffdfec...
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.