OpenTechnical

OT-2026-000015498

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single 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-2026-000015498) never changes.

Identity and time

Publication numberOT-2026-000015498 · never reused
Internal UUID01a0ae6d-ef4a-7f2e-a47e-ac8d497b3c79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015498
StatusPUBLIC

Content hashes

Canonical text20847456a8a2f125a954139f226dc36b4c0cbdf457d8d8e6711125584053b74f
Markdown803552e35ff267915e33d60cadaca2c825630c1111f8cf6f376471234d98acc3
PDF
Publication page1f4657ffbd7cc29a52f02e4aa21ccede433005b53554fcd74771fd722bd49b87
Manifestc56fbc0e88ad385d082ae973843d38c342515d9aa1761c9cc668b92dac9b3cba

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
SignatureR8OGMMqtbIAvX1l9NO2pzUPuG/cN3pZEeh3U3S03NUiLAyMnUuN26V6ffjnBKsPqzQ+a30IvYbS/vjQQbmGSDA==
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

2026-09-17T12:06:15.870034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015498
observed 1f4657ffbd7cc29a52f02e4aa21ccede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.850740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015498/manifest.json
observed c56fbc0e88ad385d082ae973843d38c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.831844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015498/publication.md
observed 803552e35ff267915e33d60cadaca2c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.813626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015498/publication.txt
observed 20847456a8a2f125a954139f226dc36b...
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.