OpenTechnical

OT-2026-000057077

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000057077) never changes.

Identity and time

Publication numberOT-2026-000057077 · never reused
Internal UUID01a0ae87-d5b7-7248-90fe-e97d007a9411 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057077
StatusPUBLIC

Content hashes

Canonical textea7f12f83ca6daa184ca9c37c1bb86161a81853c6a90ff488eaaca9645d16ca1
Markdown61e11f7ab4274feb5df6899c1e72b6778cd6a8e1a4a2ae4737cedcc733c907c0
PDF
Publication page112b3c14279353773bc897a146396a631385016ad2fe6a2d4da6c4ac6084fcb5
Manifesta5fd6faac4abe58a28ca5932481f04223c1e56453136ce1aa52695962d0897bb

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
SignatureMOOiEnfexNikwKsSjEN3j7aeZ5WarRIHXJQo2lMIcWKYSWPQeBx6AJ8LFsg3J0ZMOyn1tFDiKOXpH1xC8RKHBQ==
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

2026-09-17T10:48:34.277658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057077
observed 112b3c14279353773bc897a146396a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:34.259509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057077/manifest.json
observed a5fd6faac4abe58a28ca5932481f0422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:34.239081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057077/publication.md
observed 61e11f7ab4274feb5df6899c1e72b677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:34.175434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057077/publication.txt
observed ea7f12f83ca6daa184ca9c37c1bb8616...
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.