OpenTechnical

OT-2026-000046583

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000046583) never changes.

Identity and time

Publication numberOT-2026-000046583 · never reused
Internal UUID01a0ae7e-57de-72ac-9728-158432997690 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046583
StatusPUBLIC

Content hashes

Canonical text9de88447ae37c80d9f0b32fbd9a685050f82c20363f90b964e937fec85e4187d
Markdown14956d1cdb066d1761044e3435aa1d2c6a0f44bae11c91a790719230ff963f6f
PDF
Publication page8868145e4dd771df7116e6ff689db1d233ccee1a9e15e33543f0971b61a0ca62
Manifest7f4f27307ca2b29943082b6744ea246d1d0397a234b73d5090d3f840a2be922e

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
Signatureho8QMN25HyJWHm4eQIcSlKgNhCx++KinnqNCQ04AQWMVEus/Kuf6HPcoDv68/CaWZ95YZ11g3DEfz6WUkdySAA==
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

2026-09-17T11:08:39.240037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046583
observed 8868145e4dd771df7116e6ff689db1d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:39.219887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046583/manifest.json
observed 7f4f27307ca2b29943082b6744ea246d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:39.200192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046583/publication.md
observed 14956d1cdb066d1761044e3435aa1d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:39.183029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046583/publication.txt
observed 9de88447ae37c80d9f0b32fbd9a68505...
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.