OpenTechnical

OT-2026-000088239

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000088239) never changes.

Identity and time

Publication numberOT-2026-000088239 · never reused
Internal UUID01a0ae9b-1aa9-791e-b92e-bd59fef9ac9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088239
StatusPUBLIC

Content hashes

Canonical text02bed25ca2731abc876d3402d05ab9261fb9bfd50dd0d36d8ffd1b042a260fde
Markdown3521859ac51cb63ae9366a9001b0bbf01f618e12f16f229b11a419f69ae768d1
PDF
Publication page828e27b7c6d2c497278ca914ae4f432cfb81cb7cfe94239ee3ef19dd177139db
Manifest875091b86a5fb44fe2c5640af1bec140e87fb9a81d6cefc2cb9413eb04ecf704

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
SignatureL7RUS0LxvJuu2JjTfrWAbHDCcXUTvLNbrIQ0dv/re71n4U4AY2fJLV9wWBofihFsVlR6oSFTxSI4C1oTLjgSDQ==
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

2026-09-17T09:50:20.560398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088239
observed 828e27b7c6d2c497278ca914ae4f432c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.541706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088239/manifest.json
observed 875091b86a5fb44fe2c5640af1bec140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.521316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088239/publication.md
observed 3521859ac51cb63ae9366a9001b0bbf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.502653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088239/publication.txt
observed 02bed25ca2731abc876d3402d05ab926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.169601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088239
observed 828e27b7c6d2c497278ca914ae4f432c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.151850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088239/manifest.json
observed 875091b86a5fb44fe2c5640af1bec140...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.126738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088239/publication.md
observed 3521859ac51cb63ae9366a9001b0bbf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.106407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088239/publication.txt
observed 02bed25ca2731abc876d3402d05ab926...
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.