OpenTechnical

OT-2026-000023400

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed 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-2026-000023400) never changes.

Identity and time

Publication numberOT-2026-000023400 · never reused
Internal UUID01a0ae70-7268-7295-9f3c-58a5b58dc172 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023400
StatusPUBLIC

Content hashes

Canonical text0a81f48e286c030c51cb599e0e4e2edf3671aff3c6223aee989c7ed7840b7067
Markdown69631220228969de29da107e83c5cb05bb2c29299ebf6eeea94ff4bfa15d07ea
PDF
Publication pageb479896b38002ff9f9fcb9a1a0762c281f9a1e7d3775a07a9753d4fa047c9285
Manifest1098ab7b156c3bf50417b40f94ca42aa1c72255c239914e7bf2394190289ab9d

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
SignatureXIC0mwG5GNwiy5mAphr3fDP9P0EuiZUFlC7DnJGLOFX37jDl7KeAIQpyWElOfMUj2PYZ/U9406KxwfsDMz1yAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:51:36.293091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023400
observed b479896b38002ff9f9fcb9a1a0762c28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.276887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023400/manifest.json
observed 1098ab7b156c3bf50417b40f94ca42aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.260070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023400/publication.md
observed 69631220228969de29da107e83c5cb05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:36.241940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023400/publication.txt
observed 0a81f48e286c030c51cb599e0e4e2edf...
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.