OpenTechnical

OT-2026-000053933

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000053933) never changes.

Identity and time

Publication numberOT-2026-000053933 · never reused
Internal UUID01a0ae85-b3a6-78a3-ab49-e3892e774b99 · 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-2026-000053933
StatusPUBLIC

Content hashes

Canonical text33f208f9ea6669114b4b068837011b86917b255634055673131248076a986623
Markdownacc0014549c3b26c0ec1e0a9ebd3b9e6b1fa65c1d73d5e003d712fd110131cd7
PDF
Publication pageac8412e00487d8a9ed65e286e6f239dfd72d1a035aa415e328b58d2f43428db9
Manifestb2e4957612e83b006f7f8863a6894469ed719c33fa2b056abca30cf6deb82f00

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
SignatureDvGwe7BWWMuF5kcY3bijYUENcP63/236L1l8p6VKoXu0ATUNi1wQQiYZEyHn2eGGBrWhL2raNfVYWcumscmQDA==
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

2026-09-17T10:54:10.637263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053933
observed ac8412e00487d8a9ed65e286e6f239df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:10.620231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053933/manifest.json
observed b2e4957612e83b006f7f8863a6894469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:10.601886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053933/publication.md
observed acc0014549c3b26c0ec1e0a9ebd3b9e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:10.580179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053933/publication.txt
observed 33f208f9ea6669114b4b068837011b86...
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.