OpenTechnical

OT-2026-000057585

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000057585) never changes.

Identity and time

Publication numberOT-2026-000057585 · never reused
Internal UUID01a0ae88-2693-7ec9-a150-2bcf8ebc9849 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057585
StatusPUBLIC

Content hashes

Canonical text2e29e45972c31aafb1e1997bb39477ec444b452251f9807995962eb2ac05f9e8
Markdowncea1b526f23b7ba73dea375ff5fc7a124962702fc6d8f5d8b00b74b7d0570b1f
PDF
Publication page594bc649fe1b6e179929ffeb1912cd01fa342c3aa8e93098f7b73196db2b7544
Manifest050bba0b997aeac739d4f32879d83052272c20142b4890f9467d0cda61754b2b

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
SignaturefWhUNWQ3RMdZQYH1SBx1Bxao56sIb+aO+C0iNVREhA4s00rO8X3NWhIdJglC7l2lmFLgtcY1Ro1NGpC3THytCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:07.982056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057585
observed 594bc649fe1b6e179929ffeb1912cd01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.964301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057585/manifest.json
observed 050bba0b997aeac739d4f32879d83052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.946247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057585/publication.md
observed cea1b526f23b7ba73dea375ff5fc7a12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:07.928018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057585/publication.txt
observed 2e29e45972c31aafb1e1997bb39477ec...
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.