OpenTechnical

OT-2026-000053698

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented before set-down

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-2026-000053698) never changes.

Identity and time

Publication numberOT-2026-000053698 · never reused
Internal UUID01a0ae85-735c-77e7-8d82-997101f43e9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053698
StatusPUBLIC

Content hashes

Canonical text4439cf7395cd382b96e86581e7d936d25f8c665f5132c9bff05b936d2015e1d9
Markdown5586b32d96c31e6d1bfac0fd7f0526947e8d513f95183efff49abef6dadee23b
PDF
Publication page608064596a5bb76a020fabcee5d46fc8bdd0a3cb3ecfa4fa8dbe25f4bd560e48
Manifest651c69e6016cede659fec4211fbf78c9aa86c06ac3845f8394f113908c62031f

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
Signaturez/mzGsczasWx0ZmrJzsTDoCbt9lNVzbttr4643VYnV2hhZjVUWqmQj2zEAQiwcOwg//BQtqfVNmtlRmj86PZBQ==
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

2026-09-17T08:40:04.288587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053698
observed 608064596a5bb76a020fabcee5d46fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:04.060784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053698/manifest.json
observed 651c69e6016cede659fec4211fbf78c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:04.040945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053698/publication.md
observed 5586b32d96c31e6d1bfac0fd7f052694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:04.017983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053698/publication.txt
observed 4439cf7395cd382b96e86581e7d936d2...
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.