OpenTechnical

OT-2026-000036657

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000036657) never changes.

Identity and time

Publication numberOT-2026-000036657 · never reused
Internal UUID01a0ae77-46e8-7fbd-8e78-96cc0b6752db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036657
StatusPUBLIC

Content hashes

Canonical textb423916ed56f4adc3e954a4a8ffd8a9bf43b284c3ac0f3558ee329fdd7219399
Markdown5cba3933f66154db975e94d043b313ae1bc00c5e231c69fc756a77f9302183b9
PDF
Publication page6b09109b0c44cb7ed294cb967a10b902e41c5bf07f70e0f53359535cca940a3c
Manifest70cbb1c623896d551e0c06d41e4f137b8557218fecfb21fdb35f13b56cd991c3

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
SignaturevdOEtBs+5Xm5TkUBetdzU1j2aSpYY8T4IOb/i6ZRN7hL18+n0t7+faYIQUIgPrYcwQinIdZv9s18fxb6JZCrBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:26:00.461620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036657
observed 6b09109b0c44cb7ed294cb967a10b902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:00.445683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036657/manifest.json
observed 70cbb1c623896d551e0c06d41e4f137b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:00.428879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036657/publication.md
observed 5cba3933f66154db975e94d043b313ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:00.411729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036657/publication.txt
observed b423916ed56f4adc3e954a4a8ffd8a9b...
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.