OpenTechnical

OT-2026-000061530

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, vented 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-2026-000061530) never changes.

Identity and time

Publication numberOT-2026-000061530 · never reused
Internal UUID01a0ae8b-7b44-70de-9698-b1e4b64bae47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061530
StatusPUBLIC

Content hashes

Canonical text06bd00be911de03a16da74ee7030f56ce3c9defbd6af5ca81e9dace379a94d42
Markdown4d0f2bd7cec90014ffbe826b04c2af4f5814b153fa7fd8f37c0750aaba409444
PDF
Publication page80251e3a3a98d078cb5eca14ed59fe263e3de0b3ace995739a72f4356460733a
Manifest6895d549e953b134d806b8fda5a8e64af955acf2b5bc6d69da4fbd5caf3b3edf

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
Signaturel5EM5ZWoCLkku8BK3eVqIZWAlwjFpl/tfHw3fcMU6z0fMozCL/bS/igmDsNc67lcOjf7EBgmIGHrkK5xpik3AQ==
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...

Independent retrieval

2026-09-17T10:41:26.156320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061530
observed 80251e3a3a98d078cb5eca14ed59fe26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.138899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061530/manifest.json
observed 6895d549e953b134d806b8fda5a8e64a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.119853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061530/publication.md
observed 4d0f2bd7cec90014ffbe826b04c2af4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:26.102497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061530/publication.txt
observed 06bd00be911de03a16da74ee7030f56c...
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.