OpenTechnical

OT-2026-000063178

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented after 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-2026-000063178) never changes.

Identity and time

Publication numberOT-2026-000063178 · never reused
Internal UUID01a0ae8c-94ab-72d9-822a-93f3e6e010a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063178
StatusPUBLIC

Content hashes

Canonical textfeb7c5d639a9813af9fcc3279da9f150adb359e379ebe6bd51d4e10277ce3e5c
Markdown9257ef34e4d0c79c29e242fcda53987768ca604d6250e7e4775113ba99aaecce
PDF
Publication page3e4cc82817eb8785885c2f13ca89e79c0cf1613ed9fde0330f8a4779d975b31f
Manifest07d2e834dfb05229f880790c637f5023e243a18468555266b834118cdc1592b8

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
Signaturei2hHW98pMVhP9MZq2ssjx037u11OidlXuYVDHqiUojzXSoHziF1/R5uOWOrnGmtFItq7CAZtAk9uLGDmmJjtAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:38:58.296718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063178
observed 3e4cc82817eb8785885c2f13ca89e79c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:58.277033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063178/manifest.json
observed 07d2e834dfb05229f880790c637f5023...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:58.252472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063178/publication.md
observed 9257ef34e4d0c79c29e242fcda539877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:58.236625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063178/publication.txt
observed feb7c5d639a9813af9fcc3279da9f150...
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.