OpenTechnical

OT-2026-000056582

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000056582) never changes.

Identity and time

Publication numberOT-2026-000056582 · never reused
Internal UUID01a0ae87-7af5-72b4-b9ae-f3138ee671ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056582
StatusPUBLIC

Content hashes

Canonical text2c583de939f1dfe5b7156c9e6cd3869060053d46a573a39e595ae03e757b6701
Markdown0859c1c0b05d7b560963eae9bd05d10f0dd09a4c8c77afaa4b25f5bb270de6aa
PDF
Publication page12d935d4cfb475a882223af23cc99a704ef5c98417126d56323bda311c2aa6a2
Manifestf31eb2e9af18fd9684ffbbad5f904648ffa6d8ef4495f832577bbbe341d19c60

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
SignatureY4sD0+xpDN2g5+eYhf3pvFixOGxzp38kRbQh2bqjBJrT3PhReXkBEQFlYCd4iRvlKahRbemWqht+oko3ZFvSBQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:55.511445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056582
observed 12d935d4cfb475a882223af23cc99a70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.492011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056582/manifest.json
observed f31eb2e9af18fd9684ffbbad5f904648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.471579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056582/publication.md
observed 0859c1c0b05d7b560963eae9bd05d10f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:55.454926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056582/publication.txt
observed 2c583de939f1dfe5b7156c9e6cd38690...
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.