OpenTechnical

OT-2026-000101794

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, 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-2026-000101794) never changes.

Identity and time

Publication numberOT-2026-000101794 · never reused
Internal UUID01a0aea4-0e17-7f9b-ad50-8bcff46d55c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101794
StatusPUBLIC

Content hashes

Canonical text82d71404825b15fcadf624aaaee2ca45d6688725d6d2076965f69ba0276d74c9
Markdownf20990083f1d3b6e78fb8260f4e3b58cae9cd1c217113959c7152b3eb30dc0e4
PDF
Publication page6ce160f45e7e9a3695d9bb5cd51fc42674bff6ec3149a6d24077c8ffebc54eda
Manifest7c43b975dc94c2dc38008a7ce01117441bbcf7e31818c91087092e8b929716ad

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
SignatureQeSfQp0JZ7PDxK+gCeU+A4GTC4X+SKJhBBLrlgHav0qIFbhtVc5ZDQrM409FXJB220TylC6zCHn+mU1wvc5YDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:17.518699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101794
observed 6ce160f45e7e9a3695d9bb5cd51fc426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.501019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101794/manifest.json
observed 7c43b975dc94c2dc38008a7ce0111744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.480099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101794/publication.md
observed f20990083f1d3b6e78fb8260f4e3b58c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:17.462276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101794/publication.txt
observed 82d71404825b15fcadf624aaaee2ca45...
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.