OpenTechnical

OT-2026-000057514

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold 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-2026-000057514) never changes.

Identity and time

Publication numberOT-2026-000057514 · never reused
Internal UUID01a0ae88-2692-7d5d-84fb-476ff779fcf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057514
StatusPUBLIC

Content hashes

Canonical text4f1fc55532fdaabbc242037494bb47e33b0d39b8bb4aac516cdc21d0fab7fc71
Markdown14b7a2a6546f79d32098461d61cacd9ae3ea19636328cd591dadcfa4dab8133f
PDF
Publication page452f9c6fe192584958dbdc297fdc4df3f98b74435283394880606ba03146610a
Manifesta1b7baff7ad9144ae72a7c1a79157e73276a31ec3cbab9fbc2f148d93b9b4779

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
SignaturediqOC7KSZkf5wF1DVJaDlk5hLjER7uCHOLTmr3TY6idHX/z74plCITeslFW8pbJNLaLx4CNYWH2tVpDImleKBw==
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

2026-09-17T10:48:02.700340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057514
observed 452f9c6fe192584958dbdc297fdc4df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.682085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057514/manifest.json
observed a1b7baff7ad9144ae72a7c1a79157e73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.663973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057514/publication.md
observed 14b7a2a6546f79d32098461d61cacd9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:02.645627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057514/publication.txt
observed 4f1fc55532fdaabbc242037494bb47e3...
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.