OpenTechnical

OT-2026-000088537

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000088537) never changes.

Identity and time

Publication numberOT-2026-000088537 · never reused
Internal UUID01a0ae9b-8f0e-7789-90c7-6931e2c37abf · 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-2026-000088537
StatusPUBLIC

Content hashes

Canonical textc9ab7217814bf637628517a4f1ac71b8f245a1a7310cb3fe6e842d23f8f56270
Markdownce8dc4054f95a50d218dfe931ff0fe803f9df9286d8525088ab9aa1accb72773
PDF
Publication page64f75a01447a618595cdc251942179d6746f83e944736d707fb009b13e91aaac
Manifestffec81412b3087adb1702f1fb58707bb87849a5021061e22ea23aee463adecbe

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
SignatureaEXNftvCstbON7LGit1Aho4TPa7mHq7/tkXP4ScMXS7FE+sw6q4k6ho+ggb/t+zppWi2o3lzgjfCMLMSnuTEAQ==
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

2026-09-17T09:47:42.279905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088537
observed 64f75a01447a618595cdc251942179d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.263867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088537/manifest.json
observed ffec81412b3087adb1702f1fb58707bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.245227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088537/publication.md
observed ce8dc4054f95a50d218dfe931ff0fe80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.228684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088537/publication.txt
observed c9ab7217814bf637628517a4f1ac71b8...
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.