OpenTechnical

OT-2026-000056674

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000056674) never changes.

Identity and time

Publication numberOT-2026-000056674 · never reused
Internal UUID01a0ae87-7af6-70ef-930a-e67343b8ee2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056674
StatusPUBLIC

Content hashes

Canonical textce6c0437b69ba85ca44f93d32fdd5a595ee7720a4408a59ca5b102993ff224af
Markdown54105b0e512c8759fed4603671f4197d9214341aa2491b5465f03022cd3723b1
PDF
Publication page721031f026c7a91a9e10572442beb9902b0ec3b40b369d4a1e5e833c671fe0fb
Manifest64f7effd8f80e482251425d762b34eb7070a776af437597ddbaca3e6b22c4af5

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
SignatureXKPzHQFJxsWougLoSvUUZp1DzWcqrp62WE9Z1UuOAljjcJ5+i/+nHbcpAYR4wA5grey+hZlL/oUSBJ8nCgadCw==
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

2026-09-17T10:50:04.333376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056674
observed 721031f026c7a91a9e10572442beb990...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.313161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056674/manifest.json
observed 64f7effd8f80e482251425d762b34eb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.295483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056674/publication.md
observed 54105b0e512c8759fed4603671f4197d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.276575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056674/publication.txt
observed ce6c0437b69ba85ca44f93d32fdd5a59...
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.