OpenTechnical

OT-2026-000083673

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, sustained 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-2026-000083673) never changes.

Identity and time

Publication numberOT-2026-000083673 · never reused
Internal UUID01a0ae98-0416-7dcd-b196-adc1bac93a06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083673
StatusPUBLIC

Content hashes

Canonical text6e1fd47bd12e683b1308dbe1ed2a5babfa02c7b962dd2dbadc213ade59c2ccf8
Markdown05f55695250dd8f00dc0a59a7f3febea7059680e07898829d65ff893076327de
PDF
Publication pagea4667febe273eed7db45b3b09d7e7338446c8b8a8d5059d8a6ee39c36026015e
Manifestb5e6e64ae09055aea9c4be561d32b074257cb829f8fdb044eccc47848bb9a559

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
SignaturewQncGJ1mYdJ6mZ5S/WGQDtsf5rc/e3YdGlIZ+0xrrzFiJQx+6DqReVpRrzkdnGt2ZYzAAaaASAU5YDq4gCwuCw==
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

2026-09-17T09:57:17.777450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083673
observed a4667febe273eed7db45b3b09d7e7338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.761576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083673/manifest.json
observed b5e6e64ae09055aea9c4be561d32b074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.745565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083673/publication.md
observed 05f55695250dd8f00dc0a59a7f3febea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:17.727204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083673/publication.txt
observed 6e1fd47bd12e683b1308dbe1ed2a5bab...
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.