OpenTechnical

OT-2026-000054294

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000054294) never changes.

Identity and time

Publication numberOT-2026-000054294 · never reused
Internal UUID01a0ae85-b3a9-74ff-88ef-eb0bedb6d8d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054294
StatusPUBLIC

Content hashes

Canonical text234379a10f84f1fd0a668603ae49d296480fe91341b9179f0fc1c803701a5c57
Markdownbf448044a1411039cf7040b3991af204858ef251f6ba68e8396832c5d8dea5bf
PDF
Publication pagea2ab624e7789eeea60e5c01ad93c7e59c44e3cd06785f1d5d478953554e5ed1f
Manifestd868e03dcc572fd043a3e4c4d1284e6d52bf93e165ff520c7d69be83b4ec1dd0

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
SignatureDIW2+qvXmG1Fk2/dc1kVo/4xXYouy0mq13Ny9xuuMFzCvvu4J66XQ8aw7Ax8PGlYTr4HZyAB6T6tOKK5uAfXDQ==
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

2026-09-17T10:54:47.675033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054294
observed a2ab624e7789eeea60e5c01ad93c7e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:47.657763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054294/manifest.json
observed d868e03dcc572fd043a3e4c4d1284e6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:47.640572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054294/publication.md
observed bf448044a1411039cf7040b3991af204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:47.624128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054294/publication.txt
observed 234379a10f84f1fd0a668603ae49d296...
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.