OpenTechnical

OT-2026-000058722

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000058722) never changes.

Identity and time

Publication numberOT-2026-000058722 · never reused
Internal UUID01a0ae88-f39e-724e-a796-2a50ee0bbbb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058722
StatusPUBLIC

Content hashes

Canonical text79f5999da37b1f44f98ba05ec7ed754f638f6bd16d4909e7bfe5704feb097006
Markdown3a82f30a4f17bac08edcc156ce6281b10dc97ef4cb72506dda80aa9ed44f5101
PDF
Publication pageb03fe03c23356261c1fbbc4621e39a8ce18d036daffee19608bda638df313d79
Manifestc380af78a6bc4ccf0ffcc9c3446aa8948b75de8297e3d64d61936b265a31af9d

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
Signature22qmq3aONBlMG4zU92USBcaXUOvFCk8LJgN/d2gD6rh4lZJ5UM/hVSGjB7J/p+/Vt4X6WhaE0AGYCpaQGtqQCQ==
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

2026-09-17T10:47:15.218958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058722
observed b03fe03c23356261c1fbbc4621e39a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.202213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058722/manifest.json
observed c380af78a6bc4ccf0ffcc9c3446aa894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.185691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058722/publication.md
observed 3a82f30a4f17bac08edcc156ce6281b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:15.169537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058722/publication.txt
observed 79f5999da37b1f44f98ba05ec7ed754f...
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.