OpenTechnical

OT-2026-000054163

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000054163) never changes.

Identity and time

Publication numberOT-2026-000054163 · never reused
Internal UUID01a0ae85-b3a8-798a-99e4-5c5b61781dab · 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-2026-000054163
StatusPUBLIC

Content hashes

Canonical text754c88a0f3cba4f269b0d75a21e04d205d690dd7b58d5f4d26f2219a3aa34a8a
Markdown759b5eacdfd6e51a558566cf10e03c166f024bf56f3dbb28b323702c55926312
PDF
Publication page807b7a85f84553443a087c7fffc0bfb63f35e5b57a5368f0a1520c9e575e4ba2
Manifeste1854322df1024a0f2c98d4140adec8f260ea630b0c9fdc9715f53e1e0018991

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
Signature7vfjoHl55cMcnFal8sh0ls8Dk53gQnYJkEHstnkyhraX1sTZfIV9YymN03warOV3EhYT/r0wisaFRgaN0lzaCA==
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

2026-09-17T10:54:36.592722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054163
observed 807b7a85f84553443a087c7fffc0bfb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:36.574370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054163/manifest.json
observed e1854322df1024a0f2c98d4140adec8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:36.556021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054163/publication.md
observed 759b5eacdfd6e51a558566cf10e03c16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:36.535496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054163/publication.txt
observed 754c88a0f3cba4f269b0d75a21e04d20...
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.