OpenTechnical

OT-2026-000054074

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, vented before 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-2026-000054074) never changes.

Identity and time

Publication numberOT-2026-000054074 · never reused
Internal UUID01a0ae85-b3a7-7243-b812-869ea37664b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054074
StatusPUBLIC

Content hashes

Canonical text75ecda512229262f5ab2452bb9a3a983f1b3b58fba1889d654e55739f2f27ffc
Markdownb2948638f3b30b06e7308ab299d1ab3afc0b731081a6a67e76113ec892da0857
PDF
Publication pagedd9c7c7c218ea442aa6cc37c3a83935f7336dd75b0a515db687663f8010704b3
Manifest65ad41416614f973a1b53895de32f43b53caaf09db634f09d01847f3f757b5fd

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
SignaturexH+Le2c/SCyT1dvmzWBgrR8Mg6xXASwEWLmMyolk+g8C9P3iESMeWEZV3u+qqRbYJHK1jZl1MixyNDHOjCugCA==
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

2026-09-17T10:54:27.337785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054074
observed dd9c7c7c218ea442aa6cc37c3a83935f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.320724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054074/manifest.json
observed 65ad41416614f973a1b53895de32f43b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.301132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054074/publication.md
observed b2948638f3b30b06e7308ab299d1ab3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:27.284267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054074/publication.txt
observed 75ecda512229262f5ab2452bb9a3a983...
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.