OpenTechnical

OT-2026-000049214

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000049214) never changes.

Identity and time

Publication numberOT-2026-000049214 · never reused
Internal UUID01a0ae81-134f-7263-a438-afd081b09af4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049214
StatusPUBLIC

Content hashes

Canonical textfd4a6ff2b4ee258a926298acea2f54fc05c084ea9e468d8f7168361a46f3a895
Markdown7e2a8b43c401391dbd94c9af688209288e3943b804fa2ef265ace2b7e682b7d8
PDF
Publication page8df9a0814b7afee7f86fdd8355c7bb060e9dc8187ddf22f463d4b795aa51775b
Manifest6e771c5badb3a1bb54352458fbbca6fc89696d69e6be165fc22f43e1879c60f0

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
SignaturedPr9bAgZYLzb6asQcACR58XQk4ku1R0huHfqDE6vVE5NZy7oIhr7T0JsxvLE5cdBZzeeS5lbyyVEjaMVlvmsBQ==
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

2026-09-17T11:04:01.894838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049214
observed 8df9a0814b7afee7f86fdd8355c7bb06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.875597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049214/manifest.json
observed 6e771c5badb3a1bb54352458fbbca6fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.856297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049214/publication.md
observed 7e2a8b43c401391dbd94c9af68820928...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:01.837146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049214/publication.txt
observed fd4a6ff2b4ee258a926298acea2f54fc...
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.