OpenTechnical

OT-2026-000088590

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000088590) never changes.

Identity and time

Publication numberOT-2026-000088590 · never reused
Internal UUID01a0ae9b-8f0f-7a55-ab85-0448b63261e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088590
StatusPUBLIC

Content hashes

Canonical text2da9700dce331df75acf0a442a49afd510ae5f635781dd817884746579e974ce
Markdown305f83495b202268afe8173115dc5b58e42e9693cc89b05ac2f406a463a6e069
PDF
Publication page82ff06d7cc23e534163febe734c491a07d7950168f104adc41ed66823b7379da
Manifestf471dd92179a83dbe3921f041da0b259ca5499a17a80d95c867066ce84a880b8

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
SignatureRerTxbqvbNXYY+1ADnrQJkRE9k1FqjXikNyqugkCbTDyNOPEqiRpaoiT4j4Sk5YpViQUwrfdNfwiA8MkRXRJBA==
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

2026-09-17T09:47:47.202928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088590
observed 82ff06d7cc23e534163febe734c491a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:47.183927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088590/manifest.json
observed f471dd92179a83dbe3921f041da0b259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:47.164533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088590/publication.md
observed 305f83495b202268afe8173115dc5b58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:47.145720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088590/publication.txt
observed 2da9700dce331df75acf0a442a49afd5...
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.