OpenTechnical

OT-2026-000061374

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000061374) never changes.

Identity and time

Publication numberOT-2026-000061374 · never reused
Internal UUID01a0ae8b-7b42-7b8f-ab58-49678bf73e04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061374
StatusPUBLIC

Content hashes

Canonical text27add6a5969a04659bebe2a99687a3090669c0cdd3f51d016750afec834557f8
Markdownac4a257c334f4c63f0738d313c00b1236d656e780b1f541751f23d8ec0b89f9d
PDF
Publication page0174045179672e0774662c9965cc4907976b9d936da2c7296b3fa153433220b8
Manifesta127a6472d07174b32554052f4abe23dc1354c18cccc2ce719c62d99d7b8a583

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
Signaturep0PYo4uIQlWkVnmhsgje2uswvNt61TdhUJ7hsT7GOcjjTY/B/B5sbuLsNBv2lEV8Vj7XWf3szz0J2fsRFZ/rDw==
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

2026-09-17T10:41:13.811533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061374
observed 0174045179672e0774662c9965cc4907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:13.792697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061374/manifest.json
observed a127a6472d07174b32554052f4abe23d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:13.774451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061374/publication.md
observed ac4a257c334f4c63f0738d313c00b123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:13.756633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061374/publication.txt
observed 27add6a5969a04659bebe2a99687a309...
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.