OpenTechnical

OT-2026-000070135

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000070135) never changes.

Identity and time

Publication numberOT-2026-000070135 · never reused
Internal UUID01a0ae91-1862-78d6-b63c-8313ad6e03ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070135
StatusPUBLIC

Content hashes

Canonical text39023dced59415cca4f6046e9e34b1dcfa476bc5eeb09d537472c9ed86121e13
Markdown83834314db85bc06b5f03724dd4077352e154549182deb44a0ac1c76f261adc8
PDF
Publication page9a248ad5c013156644eba04fdb3037e36dfc17c5ff376e57ab9f943f5789b8f3
Manifestc7715fe6730c07cae27d744d26e6d1fe41317257806ee3a86cdba6a1a1d6da1e

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
SignatureNbM0AKyu1+7K/S62mNI2jD+cSn3mc1xgKiczxVmkJNbiv6gfxM68pB10A2hCxWlqRQhCa7JnXxilNSPFj6uiBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:27:10.627926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070135
observed 9a248ad5c013156644eba04fdb3037e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.611813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070135/manifest.json
observed c7715fe6730c07cae27d744d26e6d1fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.593037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070135/publication.md
observed 83834314db85bc06b5f03724dd407735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.573966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070135/publication.txt
observed 39023dced59415cca4f6046e9e34b1dc...
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.