OpenTechnical

OT-2026-000053734

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000053734) never changes.

Identity and time

Publication numberOT-2026-000053734 · never reused
Internal UUID01a0ae85-735d-75bf-ad4d-4d36973ea535 · 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-2026-000053734
StatusPUBLIC

Content hashes

Canonical text76f17707f256023999d9d25a5a0d62d163557a7b9d1156fa1a795ba03373a746
Markdown020c52f9662d4a4b271eab111e768d519561f094f9b6536f473214be7b8c29e2
PDF
Publication pagebd450d31beb6d95a2a2a3a52a7f4ed3fa613b1cad69e03f2b6e063e641a0b367
Manifestc88507f2b3a8dcf1b62d141585a48d0d44a3d504a5ebaaec8de7461f84081842

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
SignatureF3tYVzXMv0iQlOR73TDlyHBQKS3nPI5+XN58B8PsKUZFnYoHBtn5yHBrTI7rHjDsiJwhmkSJkYSzqNHkS3c9CQ==
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

2026-09-17T08:40:19.334340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053734
observed bd450d31beb6d95a2a2a3a52a7f4ed3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:19.315433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053734/manifest.json
observed c88507f2b3a8dcf1b62d141585a48d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:19.296762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053734/publication.md
observed 020c52f9662d4a4b271eab111e768d51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:19.277303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053734/publication.txt
observed 76f17707f256023999d9d25a5a0d62d1...
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.