OpenTechnical

OT-2026-000083073

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000083073) never changes.

Identity and time

Publication numberOT-2026-000083073 · never reused
Internal UUID01a0ae97-c962-74e5-be10-6a80aba0c063 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083073
StatusPUBLIC

Content hashes

Canonical text49d72e6a88a851ddfe8b94f335411ea53a03191bd84eee89db0639d5d98f637f
Markdown017ae3f59716e9dd106f2455ab921d61811d16fb1fc9c450649176bea510bd00
PDF
Publication pageedb18e6565e9df1b6e3e08a0edb72680a4a1b2eba0e22f870e12f35283ffaa3a
Manifest4eee68e818f6864c901865d5556095235fbc07c718a897f21628b6c6ec8f25b0

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
SignatureXqv1eXgZtJ+l9ohq7Q1edmRcQga+EDKNFhuJfQcAhEoW0x9xfiNyvjJwjuDGPQw7olfLyu0957gbLui17pr6Bw==
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

2026-09-17T09:00:32.578261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083073
observed edb18e6565e9df1b6e3e08a0edb72680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:32.559279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083073/manifest.json
observed 4eee68e818f6864c901865d555609523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:32.062567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083073/publication.md
observed 017ae3f59716e9dd106f2455ab921d61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:31.669538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083073/publication.txt
observed 49d72e6a88a851ddfe8b94f335411ea5...
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.