OpenTechnical

OT-2026-000087296

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000087296) never changes.

Identity and time

Publication numberOT-2026-000087296 · never reused
Internal UUID01a0ae9a-cd4e-7fe9-9ad7-f16cdc2777ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087296
StatusPUBLIC

Content hashes

Canonical textf4c1ee5e234c44667baadffbd3770f2b4b84513abd7f2b70fb90e60cf0b2b89b
Markdown452a16144b0012314c1fb4a25bcc4f1c08ee74dee01d4e445b81290063bb76f5
PDF
Publication pagef9ad45444ebd616014aad2b639a616c26725680092ae7bcb4e9ef58e0fac893f
Manifest35e46517630d42c57fb9f2022d1cde3f45df3aed4e63825c4685e6b2ce027b79

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
SignaturedruBhYjuVytWGGOa7BAEkF4PcuHDzhIBsh4T/wYdsDUf/rr6BkDENshoyh9Y+H8UpQ2sXUiV98TJbLATJA8eBA==
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

2026-09-17T09:50:27.202357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087296
observed f9ad45444ebd616014aad2b639a616c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.200643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087296
observed f9ad45444ebd616014aad2b639a616c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.176519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087296/manifest.json
observed 35e46517630d42c57fb9f2022d1cde3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.174779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087296/manifest.json
observed 35e46517630d42c57fb9f2022d1cde3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.154678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087296/publication.md
observed 452a16144b0012314c1fb4a25bcc4f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.153323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087296/publication.md
observed 452a16144b0012314c1fb4a25bcc4f1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.129505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087296/publication.txt
observed f4c1ee5e234c44667baadffbd3770f2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.127762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087296/publication.txt
observed f4c1ee5e234c44667baadffbd3770f2b...
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.