OpenTechnical

OT-2026-000057526

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-2026-000057526) never changes.

Identity and time

Publication numberOT-2026-000057526 · never reused
Internal UUID01a0ae88-2693-755d-a76b-d6235cd91365 · 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-2026-000057526
StatusPUBLIC

Content hashes

Canonical text79baeb624cb3d2bab4d377d416c3f14da18ceb1b220da3922846f8ef83ee3a39
Markdown6638b9e1e70811f6a0f85f5c721b9b60570075ef730a11c16b121e295c08c7df
PDF
Publication page0d8b9a959122822f51637df10550ad0ee9e37f4454ece4b1e31ec372f862ad69
Manifest40a6732dd3975aaa09c371b9dbb7250a3c3fde250f4fd8bbe094b355a1d07110

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
Signaturedd/WWX+uYMjhboPRTlKD9A9INcxnra9LqG8yCY3b+kloE3TYlgHwm71C800mvBAwu/aic3Uwur5eT+b7xZUcAg==
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

2026-09-17T10:48:03.626084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057526
observed 0d8b9a959122822f51637df10550ad0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.607748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057526/manifest.json
observed 40a6732dd3975aaa09c371b9dbb7250a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.590741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057526/publication.md
observed 6638b9e1e70811f6a0f85f5c721b9b60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:03.573351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057526/publication.txt
observed 79baeb624cb3d2bab4d377d416c3f14d...
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.